Q. If cot A = b/a, where a and b are real numbers, the value of sin2 A is equal to
(A) b2 / a2 + b2 (B) a2 / a2 + b2
(C) a / √ a2 + b2 (D) b/ √ a2 + b2
given: ...........(1)
since ............(2)
therefore
hope this helps you.
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