Question

Calculate complement of sin 15 and sin 75 of allies rectangle.​

Answer 1

Answer:

We first try to convert all the trigonometry ratios into form of equal angle to apply to the formulas and identies like

2 sin theta cos theta =sin 2 theta and sin² theta +cos² theta = 1

We convert sin 75 into cos 15 we break the square part using the formulasof

a+b²=a²+b²+2ab we place the values in in the formulas and find the final solution..

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