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If tan α = √3 and cosec β = 1, then the value of α – β?(a) -30°(b) 30°(c) 90°(d) 60°The question was posed to me in an interview.This interesting question is from Trigonometric Ratios topic in portion Trigonometry of Mathematics – Class 10

Answer» CORRECT CHOICE is (a) -30°

Easiest explanation: TAN α = √3 and tan 60° = √3

∴ α = 60°

Cosec β = 1 and cosec 90° = 1

∴β = 90°

α – β = 60 – 90 = -30°


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