15, If x sin (90°-9) cot (90°-0) = cos (90°-9), then x = – InterviewSolution

1.

15, If x sin (90°-9) cot (90°-0) = cos (90°-9), then x =

Answer»

x sin(90° - θ) cot(90° - θ) = cos(90° - θ)

x cosθ tanθ = sinθ

x = sinθ/(cosθ × tanθ)

x = tanθ/tanθ

x = 1

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