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(4cos^2(9)-3)(4cos^27-3) simplyfy.your answer should be in terms of sin9,cos9,tan9,sin27,cos27,tan27.

(4cos^2(9)-3)(4cos^27-3)


simplyfy.your answer should be in terms of sin9,cos9,tan9,sin27,cos27,tan27.

Grade:11

1 Answers

Rohan Das
36 Points
9 years ago

sorry,it is 4cos^2(27)

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