NCERT Class 11 Mathematics Solutions: Chapter 3 – Trigonometric Functions Miscellaneous Exercise Part 4 (For CBSE, ICSE, IAS, NET, NRA 2022)

Glide to success with Doorsteptutor material for NCO : fully solved questions with step-by-step explanation- practice your way to success.

In Figure Trignometric Identities Are Shown

1. Find for in quadrant III

Answer:

Here, is in quadrant III.

i.e.. ,

So, are negative, where as is positive.

It is given that

Now,

So, the respective values of