Question

If $\sin \theta +\mathrm{cosec}\theta =2$, then the value of ${\sin }^8\theta +{\mathrm{cosec}}^8\theta$ is equal to -

• A. 2
• B. $2^8$
• C. $2^4$
• D. none of these

Answer 1

Answer: (A)

Correct answer is (a) 2