find the value of cos theta.cos 2 theta.cos 3 theta for theta=pie/6

#Trigonometry

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find the value of cos theta.cos 2 theta.cos 3 theta for theta=pie/6

Yashasvini saroja.L 17th Jun, 2022

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Answer (1)

Ayush 18th Jun, 2022

Hello candidate,

Here we have to solve the problem taking the value of pie in radian units

1 pie radian= 180 degrees

So, pie/6= 30 degrees

So, cos 30= √3/2

Cos 60= 1/2

Cos 90= 0

So, cos30*cos60*cos90 = 0.

Hope it helps.. Good luck..

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