FunctionHard
Question
If f(x) is negative & 2f(sinx) + √2 f(-cosx) = - tanx,then value of f (1/2) is
Options
A.
B.
C.
D.None of these
Solution
Put x = 
.........(1)
.........(2)
by (2) - √2(1) (2) - √2 (1)
.........(1) .........(2)by (2) - √2(1) (2) - √2 (1)
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