Grade 11Trigonometry
(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.
1 Answer
Rohan Das
sorry,it is 4cos^2(27)
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