Trắc nghiệm Hàm số lượng giác Toán Lớp 11

A. \(\min y=2 ; \max y=4\)

B. \(\min y=2 ; \max y=6\)

C. \(\min y=4 ; \max y=6\)

D. \(\min y=2 ; \max y=8\)

A. \(\min y=-3 ; \max y=6\)

B. \(\min y=-4 ; \max y=6\)

C. \(\min y=-4 ; \max y=4\)

D. \(\min y=-2 ; \max y=6\)

A. \(\min y=-2 ; \max y=1+\sqrt{5}\)

B. \(\min y=2 ; \max y=\sqrt{5}\)

C. \(\min y=2 ; \max y=1+\sqrt{5}\)

D. \(\min y=2 ; \max y=4\)

A. \(\min y=-5\)

B. \(\min y=-3\)

C. \(\min y=-2\)

D. \(\min y=-4\)

A. \(\min y=-2\)

B. \(\min y=-3\)

C. \(\min y=-4\)

D. \(\min y=-1\)

A. \(\min y=0, \max y=3\)

B. \(\min y=0, \max y=4\)

C. \(\min y=0, \max y=6\)

D. \(\min y=0, \max y=2\)

A. \(\min y=-1, \max y=4\)

B. \(\min y=-1, \max y=7\)

C. \(\min y=-1, \max y=3\)

D. \(\min y=-2, \max y=7\)

A. \(D=\mathbb{R} \backslash\left\{\frac{\pi}{6}+k \frac{\pi}{3}, \frac{n \pi}{5} ; k, n \in \mathbb{Z}\right\}\)

B. \(D=\mathbb{R} \backslash\left\{\frac{\pi}{5}+k \frac{\pi}{3}, \frac{n \pi}{5} ; k, n \in \mathbb{Z}\right\}\)

C. \(D=\mathbb{R} \backslash\left\{\frac{\pi}{6}+k \frac{\pi}{4}, \frac{n \pi}{5} ; k, n \in \mathbb{Z}\right\}\)

D. \(D=\mathbb{R} \backslash\left\{\frac{\pi}{4}+k \frac{\pi}{3}, \frac{n \pi}{5} ; k, n \in \mathbb{Z}\right\}\)

A. \(D=\mathbb{R} \backslash\left\{\frac{3 \pi}{4}+k \pi, \frac{\pi}{3}+k \pi ; k \in \mathbb{Z}\right\}\)

B. \(D=\mathbb{R} \backslash\left\{\frac{3 \pi}{4}+k \pi, \frac{\pi}{5}+k \pi ; k \in \mathbb{Z}\right\}\)

C. \(D=\mathbb{R} \backslash\left\{\frac{\pi}{4}+k \pi, \frac{\pi}{3}+k \pi ; k \in \mathbb{Z}\right\}\)

D. \(D=\mathbb{R} \backslash\left\{\frac{3 \pi}{5}+k \pi, \frac{\pi}{6}+k \pi ; k \in \mathbb{Z}\right\}\)

A. \(D=\mathbb{R} \backslash\left\{\frac{\pi}{4}+k \frac{\pi}{2}, \frac{\pi}{12}+k \frac{\pi}{2} ; k \in \mathbb{Z}\right\}\)

B. \(D=\mathbb{R} \backslash\left\{\frac{\pi}{3}+k \frac{\pi}{2}, \frac{\pi}{5}+k \frac{\pi}{2} ; k \in \mathbb{Z}\right\}\)

C. \(D=\mathbb{R} \backslash\left\{\frac{\pi}{4}+k \frac{\pi}{2}, \frac{\pi}{3}+k \frac{\pi}{2} ; k \in \mathbb{Z}\right\}\)

D. \(D=\mathbb{R} \backslash\left\{\frac{\pi}{3}+k \frac{\pi}{2}, \frac{\pi}{12}+k \frac{\pi}{2} ; k \in \mathbb{Z}\right\}\)

A. \(D=\mathbb{R} \backslash\left\{k \pi, \frac{\pi}{6}+\frac{n 2 \pi}{3} ; k, n \in \mathbb{Z}\right\}\)

B. \(D=\mathbb{R} \backslash\left\{k \frac{\pi}{3}, \frac{\pi}{6}+\frac{n 2 \pi}{3} ; k, n \in \mathbb{Z}\right\}\)

C. \(D=\mathbb{R} \backslash\left\{k \pi, \frac{\pi}{6}+\frac{n 2 \pi}{5} ; k, n \in \mathbb{Z}\right\}\)

D. \(D=\mathbb{R} \backslash\left\{k \pi, \frac{\pi}{5}+\frac{n 2 \pi}{3} ; k, n \in \mathbb{Z}\right\}\)

A. \(D=\mathbb{R} \backslash\left\{-\frac{\pi}{8}+k \frac{\pi}{2}, k \in \mathbb{Z}\right\}\)

B. \(D=\mathbb{R} \backslash\left\{-\frac{3 \pi}{8}+k \frac{\pi}{2}, k \in \mathbb{Z}\right\}\)

C. \(D=\mathbb{R} \backslash\left\{-\frac{\pi}{4}+k \frac{\pi}{2}, k \in \mathbb{Z}\right\}\)

D. \(D=\mathbb{R} \backslash\left\{-\frac{\pi}{6}+k \frac{\pi}{2}, k \in \mathbb{Z}\right\}\)

A. \(\mathbb{R} \backslash\{k 2 \pi, k \in \mathbb{Z}\}\)

B. \(\mathbb{R} \backslash\left\{\frac{\pi}{2}+k \pi, k \in \mathbb{Z}\right\}\)

C. \(\mathbb{R}\)

D. \(\mathbb{R} \backslash\left\{\frac{\pi}{2}+k 2 \pi, k \in \mathbb{Z}\right\}\)

A. \(D=\mathbb{R}\)

B. \(D=\mathbb{R} \backslash\left\{\frac{\pi}{12}+\frac{k \pi}{3}, k \in \mathbb{Z}\right\}\)

C. \(D=\mathbb{R} \backslash\left\{\frac{\pi}{12}+k \pi, k \in \mathbb{Z}\right\}\)

D. \(D=\mathbb{R} \backslash\{k \pi, k \in \mathbb{Z}\}\)

A. \(D=\mathbb{R}\)

B. \(D=\mathbb{R} \backslash\{k 2 \pi, k \in \mathbb{Z}\}\)

C. \(D=\mathbb{R} \backslash\left\{\frac{\pi}{2}+k \pi, k \in \mathbb{Z}\right\}\)

D. \(D=\mathbb{R} \backslash\{k \pi, k \in \mathbb{Z}\}\)

A. \(x \neq \frac{\pi}{2}+k \pi\)

B. \(x \neq k 2 \pi\)

C. \(x \neq \frac{k \pi}{2}\)

D. \(x \neq k \pi\)

A. \(x \neq \frac{\pi}{2}+k 2 \pi\)

B. \(x \neq k 2 \pi\)

C. \(x \neq \frac{3 \pi}{2}+k 2 \pi\)

D. \(x \neq \pi+k 2 \pi\)

A. \(x=\frac{\pi}{2}+k \pi\)

B. \(x=k 2 \pi\)

C. \(x=k \pi\)

D. \(x \neq \frac{k \pi}{2}\)

A. \(x \neq k 2 \pi\)

B. \(x=\frac{\pi}{3}+k 2 \pi\)

C. \(\left\{\begin{array}{l}x \neq \frac{\pi}{2}+k \pi \\ x \neq k 2 \pi\end{array}\right.\)

D. \(\left\{\begin{array}{l}x \neq \frac{\pi}{2}+k \pi \\ x \neq \frac{\pi}{3}+k \pi\end{array}\right.\)

A. m>0

B. 0<m<1

C. \(m \neq-1\)

D. -1<m<1

A. \(D=\mathbb{R} \backslash\left\{\frac{\pi}{2}+k 2 \pi, k \in \mathbb{Z}\right\}\)

B. \(D=\mathbb{R}\)

C. \(D=\mathbb{R} \backslash\left\{\frac{\pi}{2}+k \pi, k \in \mathbb{Z}\right\}\)

D. \(D=\mathbb{R} \backslash\{k \pi, k \in \mathbb{Z}\}\)

A. \(D=\mathbb{R} \backslash\{k \pi, k \in \mathbb{Z}\}\)

B. \(D=\mathbb{R} \backslash\left\{\frac{\pi}{2}+k 2 \pi, k \in \mathbb{Z}\right\}\)

C. \(D=\mathbb{R} \backslash\{k 2 \pi, k \in \mathbb{Z}\}\)

D. \(D=\mathbb{R}\)

A. \(y=\sqrt{\frac{2+\cos x}{2-\sin x}}\)

B. \(y=\tan ^{2} x+\cot ^{2} x\)

C. \(y=\frac{1+\sin ^{2} x}{1+\cot ^{2} x}\)

D. \(y=\frac{\sin ^{3} x}{2 \cos x+\sqrt{2}}\)

A. \(D=\mathbb{R}\)

B. \(D=[0 ; 1]\)

C. \(D=[-1 ; 1]\)

D. \(D=\mathbb{R} \backslash\{k \pi, k \in \mathbb{Z}\}\)

A. \(\mathbb{R}\)

B. \([-2 ;+\infty)\)

C. \((0 ; 2 \pi)\)

D. \([\arcsin (-2) ;+\infty)\)

A. \(\mathbb{R} \backslash\{\pi+k 2 \pi, k \in \mathbb{Z}\}\)

B. \(\mathbb{R} \backslash\{k 2 \pi, k \in \mathbb{Z}\}\)

C. \(\mathbb{R} \backslash\left\{\frac{\pi}{4}+k 2 \pi, k \in \mathbb{Z}\right\}\)

D. \(\mathbb{R} \backslash\left\{\frac{\pi}{2}+k 2 \pi, k \in \mathbb{Z}\right\}\)

A. \(\mathbb{R} \backslash\left\{\frac{\pi}{2}+k \pi \mid k \in \mathbb{Z}\right\}\)

B. \(\mathbb{R} \backslash\{\pi+k 2 \pi \mid k \in \mathbb{Z}\}\)

C. \(\mathbb{R}\)

D. \(\mathbb{R} \backslash\{1\}\)

A. \(\mathbb{R}\)

B. \(\mathbb{R} \backslash\{0\}\)

C. \(\mathbb{R} \backslash\{k \pi \mid k \in \mathbb{Z}\}\)

D. \(\mathbb{R} \backslash\left\{\frac{\pi}{2}+k \pi \mid k \in \mathbb{Z}\right\}\)

A. \(\mathbb{R} \backslash\{-1\}\)

B. \((-1 ; 1)\)

C. \(\mathbb{R} \backslash\left\{\frac{\pi}{2}+k 2 \pi \mid k \in \mathbb{Z}\right\}\)

D. \(\mathbb{R} \backslash\left\{\frac{\pi}{2}+k \pi \mid k \in \mathbb{Z}\right\}\)

A. \(\mathbb{R}\)

B. \(\mathbb{R} \backslash\{1\}\)

C. \(\mathbb{R} \backslash\left\{\frac{\pi}{2}+k 2 \pi \mid k \in \mathbb{Z}\right\}\)

D. \(\mathbb{R} \backslash\{k \pi\}\)

A. \(\max y=2+\sqrt{10} ; \min y=2-\sqrt{10}\)

B. \(\max y=2+\sqrt{5} ; \min y=2-\sqrt{5}\)

C. \(\max y=2+\sqrt{2} ; \min y=2-\sqrt{2}\)

D. \(\max y=2+\sqrt{7} ; \min y=2-\sqrt{7}\)

A. \(\min y=-3 \sqrt{2}-1 ; \max y=3 \sqrt{2}+1\)

B. \(\min y=-3 \sqrt{2}-1 ; \max y=3 \sqrt{2}-1\)

C. \(\min y=-3 \sqrt{2} ; \max y=3 \sqrt{2}-1\)

D. \(\min y=-3 \sqrt{2}-2 ; \max y=3 \sqrt{2}-1\)

A. \(\begin{aligned} &\min y=-6 ; \max y=4 \end{aligned}\)

B. \(\text { B. min } y=-6 ; \max y=5\)

C. \(\min y=-3 ; \max y=4\)

D. \(\min y=-6 ; \max y=6\)

A. \(\max y=6, \min y=-2\)

B. \(\max y=4, \min y=-4\)

C. \(\max y=6, \min y=-4\)

D. \(\max y=6, \min y=-1\)

A. \(\max y=4, \min y=\frac{3}{4}\)

B. \(\max y=3, \min y=2\)

C. \(\max y=4, \min y=2\)

D. \(\max y=3, \min y=\frac{3}{4}\)

A. \(\min y=\frac{4}{3}, \max y=4\)

B. \(\min y=\frac{4}{3}, \max y=3\)

C. \(\min y=\frac{4}{3}, \max y=2\)

D. \(\min y=\frac{1}{2}, \max y=4\)

A. \(\begin{aligned} &\min y=2, \max y=1+\sqrt{3} \end{aligned}\)

B. \( \min y=2, \max y=2+\sqrt{3}\)

C. \(\begin{aligned} &\min y=1, \max y=1+\sqrt{3} \end{aligned}\)

D. \( \min y=1, \max y=2\)

A. \(\min y=1, \max y=2\)

B. \(\min y=1, \max y=3\)

C. \(\min y=2, \max y=3\)

D. \(\min y=-1, \max y=3\)

A. \(\min y=-2, \max y=4\)

B. \(\min y=2, \max y=4\)

C. \(\min y=-2, \max y=3\)

D. \(\min y=-1, \max y=4\)

A. \(\max y=1, \min y=1-\sqrt{3}\)

B. \(\max y=3, \min y=1-\sqrt{3}\)

C. \(\max y=2, \min y=1-\sqrt{3}\)

D. \(\max y=0, \min y=1-\sqrt{3}\)

A. \(\max y=\sqrt{5}, \min y=1\)

B. \(\max y=\sqrt{5}, \min y=2 \sqrt{5}\)

C. \(\max y=\sqrt{5}, \min y=2\)

D. \(\max y=\sqrt{5}, \min y=3\)

A. \(\min y=6, \max y=4+\sqrt{3}\)

B. \(\min y=5, \max y=4+2 \sqrt{3}\)

C. \(\min y=5, \max y=4+3 \sqrt{3}\)

D. \(\min y=5, \max y=4+\sqrt{3}\)

A. \(\min y=2, \max y=5\)

B. \(\min y=1, \max y=4\)

C. \(\min y=1, \max y=5\)

D. \(\min y=1, \max y=3\)

A. \(\min y=-2 ; \max y=1\)

B. \(\min y=-3 ; \max y=5\)

C. \(\min y=-5 ; \max y=1\)

D. \(\min y=-3 ; \max y=1\)

A. \(\min y=-2 ; \max y=5\)

B. \(\min y=-1 ; \max y=4\)

C. \(\min y=-1 ; \max y=5\)

D. \(\min y=-5 ; \max y=5\)

A. 2

B. 5

C. 0

D. 1

A. -20

B. -8

C. 0

D. 9

A. \(\sqrt2 \,và\,2\)

B. 2 và 4

C. \(4\sqrt2\, và\,8\)

D. \(4\sqrt2-1\,và\,7\)

A. -2 và 7

B. -2 và 2

C. 5 và 9

D. 4 và 7

A. -8 và -2

B. 2 và 8

C. -5 và 2

D. -5 và 3