Math, asked by rrr3995, 11 months ago

2 cos 3 theta = 1 theta =? ​

Answers

Answered by pal69
1

Answer:

2cos3A=1

cos3A=1/2

cos3A=cos60°

A=20°

Answered by vaibhavbavaskar423
0

Answer:

theta = 20

by eqatiing cos3theta = cos 60

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