1.

The value of sin π4+θ-cos π4-θ is(a) 2 cosθ(b) 2 sinθ(c) 1(d) 0

Answer» The value of sin π4+θ-cos π4-θ is

(a) 2 cosθ

(b) 2 sinθ

(c) 1

(d) 0


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