Math, asked by siddiquiabusad996, 1 year ago

what is the formula of 1-cos^3 x ​

Answers

Answered by Anonymous
2

Answer:

We know that:-

cos3A = 4.cos^3(A)-3.cos(A)

or. 4.cos3(A). = cos3A+ 3.cosA

or. cos^3(A). = (cos3A+3cosA)/4

Therefore. cos^3(x). = (cos3x +3cosx)/4

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