Đề thi giữa kì 1 Toán 11 THPT Nguyễn Thái Học (Gia Lai) năm 2023-2024 (có đáp án)

$300^{\circ }+k180^{\circ },k\in \mathbb{Z}$.

$60^0+k360^0,k\in \mathbb{Z}$.

$-300^0+k360^0,k\in \mathbb{Z}$.

$-60^0+k360^0,k\in \mathbb{Z}$.

$\frac{\sqrt{3}}{3}$.

$0$.

$\sqrt{3}$.

$$1$$.

$10;4;2$.

$2;4;8$.

$2;4;6$.

$$2;6;10$$.

$-\frac{3}{5}$.

$\frac{9}{25}$.

$\frac{3}{5}$.

$\pm \frac{3}{5}$.

Dãy số tăng.

Dãy số giảm.

Dãy số vừa tăng, vừa giảm.

Dãy số không tăng, không giảm.

$\frac{a+b}{2}$.

$b-a$.

$a+b$.

$a.b$.

$\left(-1;1\right)$.

$\left[-1;1\right)$.

$\left[-1;1\right]$.

$\left(-\infty ;+\infty \right)$.

$u_n=3^{n+1}-2$.

$u_n=3^n-2$.

$u_n=3^{n-1}$.

$u_n=3^n$.

Hàm số $$y=\tan x$$ tuần hoàn với chu kì $$2\pi$$.

Hàm số $$y=\cos x$$ tuần hoàn với chu kì $$2\pi$$.

Hàm số $$y=\cot x$$ tuần hoàn với chu kì $$\pi$$.

Hàm số $$y=\sin x$$ tuần hoàn với chu kì $$2\pi$$.

$$D=\left[-1;1\right]$$.

$$D=\mathbb{R}\backslash \left\{k\pi ,k\in \mathbb{Z}\right\}$$.

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

$$D=\mathbb{R}$$.

$$y=\sin x$$.

$$y=\cos x$$.

$$y=\tan x$$.

$$y=\cot x$$.

$x=\frac{\pi }{2}+k2\pi ,$$k\in \mathbb{Z}$.

$x=\frac{\pi }{2}+k\pi ,$$k\in \mathbb{Z}$.

$x=k\pi ,$$k\in \mathbb{Z}$.

$x=k2\pi ,$$k\in \mathbb{Z}$.

$$\sin (\pi +\alpha )=-\sin \alpha$$.

$$\cos (\pi +\alpha )=-\cos \alpha$$.

$$\tan (\pi +\alpha )=-\tan \alpha$$.

$$\cot (\pi +\alpha )=\cot \alpha$$.

$–\cos \alpha$.

$$\cos \alpha$$.

$$-\sin \alpha$$.

$$\sin \alpha$$.

$\tan \left(\pi +\alpha \right)=\tan \alpha$.

$\tan \left(\pi -\alpha \right)=-\tan \alpha$.

$\tan \left(-\alpha \right)=-\tan \alpha$.

$\tan \left(\frac{\pi }{2}+\alpha \right)=\cot \alpha$.

$u_n=3+n$.

$u_n=3n+1$.

$u_n=3(n-1)$.

$u_n=3n$.

$$y=\tan x$$.

$$y=\cot x$$.

$$y=\sin x$$.

$$y=\cos x$$.

$\left[3;3,5\right)$.

$\left[3,5;4\right)$.

$\left[2,5;3\right)$.

$\left[4;4,5\right)$.

$15$.

$40$.

$5$.

$6$.

$\frac{\pi }{2}$.

$-\frac{\pi }{2}$.

$-\frac{\pi }{4}$.

$\frac{\pi }{4}$.

$1$.

$3$.

$2$.

$0$.

$\frac{3\pi }{2}$.

$\frac{3\pi }{5}$.

$\frac{\pi }{4}$.

$\frac{\pi }{10}$.

$\tan \alpha >0;\cos \alpha <0$.

$\tan \alpha <0;\cot \alpha <0$.

$\sin \alpha <0;\cos \alpha <0$.

$\sin \alpha <0;\tan \alpha >0$.

$-60^{\circ }+k360^{\circ },k\in \mathbb{Z}$.

$60^{\circ }+k360^{\circ },k\in \mathbb{Z}$.

$-140^{\circ }+k360^{\circ },k\in \mathbb{Z}$.

$140^{\circ }+k360^{\circ },k\in \mathbb{Z}$.

$u_n=4-5n$.

$u_n=4-5^n$.

$u_n=\frac{4}{5n}$.

$u_n=4.5^n$.

$$2;2;2;2$$.

$$32;-16;8;-4$$.

$$1;0;0;0$$.

$$1;2;4;6$$.

$1$.

$-5$.

$5$.

$-1$.

$q=\frac{1}{2}$.

$q=-2$.

$q=2$.

$q=-\frac{1}{2}$.

$\sin a–\sin b=2\cos \frac{a+b}{2}.\sin \frac{a-b}{2}$.

$\cos a–\cos b=2\sin \frac{a+b}{2}.\sin \frac{a-b}{2}$.

$\sin a+\sin b=2\sin \frac{a+b}{2}.\cos \frac{a-b}{2}$.

$\cos a+\cos b=2\cos \frac{a+b}{2}.\cos \frac{a-b}{2}$.

$d=-6$.

$d=6$.

$d=27$.

$d=3$.

$1;4;6$.

$1;4;9$.

$0;1;4$.

$1;3;6$.

$6,4$.

$6,2$.

$6,1$.

$6,6$.

$\left[11;13\right)$.

$\left[7;9\right)$.

$\left[9;11\right)$.

$\left[13;15\right)$.

$-54$.

$-24$.

$-6$.

$162$.

$6$.

$9$.

$14$.

$13$.