NCERT Class 11 Mathematics Solutions: Chapter 3 – Trigonometric Functions Miscellaneous Exercise Part 5 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Four Quadrants

10. Find in quadrant II

Answer:

is in quadrant II

i.e.. ,

So, are all positive.

It is given that .

[ is negative in quadrant II]

So, the respective values of are

Developed by: