Math, asked by knishanth079, 9 hours ago

if cos theta =1,then cos 2 theta​

Answers

Answered by ddompranal
1

Answer:

cos^{2}θ = 1

Step-by-step explanation:

We simply have to square both sides.

Ans = 1

Hope so helpful!!!!!!!!!

Answered by iyervinayak01
0
Cos(2theta)=2cos^2(theta)-1=2(1)-1=1
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