Trigonometric Equations is an important topic in the Mathematics section in VITEEE exam. Practising this topic will increase your score overall and make your conceptual grip on VITEEE exam stronger.
This article gives you a full set of VITEEE PYQs for Trigonometric Equations with explanations for effective preparation. Practice of VITEEE Mathematics PYQs including Trigonometric Equations questions regularly will improve accuracy, speed, and confidence in the VITEEE 2026 exam.
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VITEEE PYQs for Trigonometric Equations with Solutions
1.
The principal value of $sin^{-1} \left(sin \frac{5\pi}{3}\right)$ is- $-\frac{5\pi}{3}$
- $\frac{5\pi}{3}$
- $-\frac{\pi}{3}$
- $\frac{4\pi}{3}$
2.
If sin $\theta$ , cos $\theta$ , tan $\theta$ are in G.P. then $cos^{9} \theta + cos^{6}\theta + 3cos^{5}\theta- 1$ is equal to- -1
- 0
- 1
- 2
3.
In a $\Delta A B C \frac{(a+b+c)(b+c-a)(c+a-b)(a+b-c)}{4 b^{2} c^{2}}$ equals- $\cos ^{2} A$
- $\cos ^{2} B$
- $\sin ^{2} A$
- $\sin ^{2} B$
4.
The number of integral values of $K$, for which the equation $7\, \cos \,x + 5\, \sin\, x = 2K + 1$ has a solution, is- 4
- 8
- 10
- 12
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