find the value of cos theta.cos 2 theta.cos 3 theta for theta=pie/6
Answer (1)
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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