Trigonometric Equations · Mathematics · COMEDK
MCQ (Single Correct Answer)
1
If $\sin x+\sin ^2 x=1$ then $\cos ^8 x+2 \cos ^6 x+\cos ^4 x$ is equal to :
COMEDK 2025 Evening Shift
2
If for real values of $x, \cos \theta=x+\frac{1}{x}$, then $X$
COMEDK 2025 Afternoon Shift
3
The general solution of $$2 \cos 4 x+\sin ^2 2 x=0$$ is
COMEDK 2023 Morning Shift
4
Find the general solution of $$\sin 2x + \cos x = 0$$.
COMEDK 2022
5
If $$\sin 2x = 4\cos x$$, then x is equal to
COMEDK 2021
6
If $$\sin 3\theta = \sin \theta $$, how many solutions exist such that $$ - 2\pi < \theta < 2\pi $$?
COMEDK 2020