1.

Assertion (A): sqrt(4sin^(4)theta+sin^(2)2theta)+4cos^(2)(pi/4-theta/2)=2" then "theta in Q_(3) or Q_(4) Reason (R ): In Q_(3) & Q_(4), |sintheta|=-sintheta

Answer»

A is true, R is true and R is CORRECT explanation of A
A is true, R is true and R is not correct explanation of A
A is true, R is FALSE
A is false, R is true

ANSWER :A


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