Find the value of : sin 19πc3 - Mathematics and Statistics

Sum

Find the value of :

sin  (19pi^"c")/3

Solution

We know that sine function is periodic with period 2π.

∴ sin  (19pi^"c")/3 = sin(6pi + pi/3)

=  sin(3 xx 2pi + pi/3)

= sin pi/3

= sqrt(3)/2.

Concept: Periodicity of Trigonometric Functions
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