Math, asked by mayanklalwani81, 11 months ago

If 2cos 3 theta=1 then find value of theta​

Answers

Answered by aditiprerna8
0

Answer:

theta = 20°

Step-by-step explanation:

-->2 cos3theta = 1

-->cos3theta = 1/2

-->3theta = 60°

(as cos 60° 1/2)

therefore, theta = 20°

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