Inverse Trigonometric FunctionHard
Question
The value of cos 
is / are -
is / are -Options
A.cos 
B.sin 
C.cos 
D.-cos 
Solution
cos 
= cos
= cos 
= cos
= - cos
& cos
= sin 
= sin 
= cos
= cos = cos
= - cos& cos
= sin = sin Create a free account to view solution
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