Maths-
General
Easy
Question
If cos 
and 
is not in the first quadrant, then 
Hint:
cos x is positive in 1st and 4th quadrant only. So, since is not in the first quadrant, it lies in the fourth quadrant.
The correct answer is:
Step by step solution:
lies in the fourth quadrant.
now,
=
Hence, option(b) is the correct option.
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