what is the answer for this quetion
2 cos ^2 A =???????
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Answered by
1
Answer:
2-2sin^2A
Explanation:
2cos^2A
2(1-sin^2A)
2-2sin^2A
Answered by
1
Answer:
1+Cos2A
Explanation:
cos 2A= 2cos^2A-1
2cos^2A=cos2A+1
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