1.

Assertion (A) : if 2sin^(2)((pi)/(2)cos^(2)x)=1-cos(pisin2x), xne(2n+1)(pi)/(2),n is a integer, then sin2x+cos2x=(1)/(5) Reason (R ) : sin2x+cos2x=(2-(tanx-1)^(2))/(1+tan^(2)x). Then the true statement among the following is

Answer»

A is true, R is false
A is false, R is true
A is true, R is true, R implies A
A is false, R is false

ANSWER :B


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