1.

sin (15π/6) =_____________(a) 1(b) -1(c) 0(d) 1/2I had been asked this question in an online quiz.The above asked question is from Trigonometric Functions in chapter Trigonometric Functions of Mathematics – Class 11

Answer»

The correct OPTION is (a) 1

Easy EXPLANATION: SIN(15π/6) = sin (2π + 3π/6) = sin (3π/6) {sin(2nπ+X)=sin x}

= sin (π/2) = 1.



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