R D Sharma Solutions for Chapter: Trigonometric Functions, Exercise 4: VERY SHORT ANSWER QUESTIONS (VSAQs)

Write the maximum and minimum values of $\sin \left(\sin x\right)$.

Write the value of $2\left({\sin }^{6}x+{\cos }^{6}x\right)-3\left({\sin }^{4}x+{\cos }^{4}x\right)+1$

Write the value of $\cos 1°+\cos 2°+\cos 3°+\dots +\cos 180°$

If $\cot (\alpha +\beta )=0$ and the value of $\sin (\alpha +2\beta )=k\cos \beta$, then $k=$

If $\tan A+\cot A=4$ then write the value of ${\tan }^{4}A+{\cot }^{4}A$.

Write the least value of ${\cos }^{2}x+{\sec }^{2}x$.

If $x={\sin }^{14}x+{\cos }^{20}x$ then write the smallest interval in which the value of $x$ lie.

If $3\sin \theta +5\cos \theta =5,$ then write the value of $5\sin \theta -3\cos \theta$