Q2 of 46 Page 284

Choose the right option and justify your choice -

B)


A. tan 90°


B. 1


C. sin 45°


D. 0

We know that,

tan 45° = 1


So, using this value of tangent, we can write



The answer has come out to be 0.


Thus, option (D) is correct.

More from this chapter

All 46 →
1

Evaluate the following.

E.

2

Choose the right option and justify your choice -

A)


A. sin 60°


B. cos 60°


C. tan 30°


D. sin 30°

 2

Choose the right option and justify your choice -

C)


A. cos 60°


B. sin 60°


C. tan 60°


D. sin 30°

 3

Evaluate sin 60° cos 30° + sin 30°cos 60°. What is the value of sin(60° + 30°). What can you conclude?