1.

1-tan2 45°1+tan2 45° is equal to(a) tan 90°(b) 1(c) sin 45°(d) sin 0°

Answer» 1-tan2 45°1+tan2 45° is equal to



(a) tan 90°

(b) 1

(c) sin 45°

(d) sin 0°


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