Math, asked by hamsika60, 11 months ago

i) 3 sin 10° - 4 sin 3 10°​

Answers

Answered by sonuo2
6

Answer

3 sin 10° - 4 sin 3 10°=1/2

Explanation

3sinA-4sin^3A=sin3A

Given,

i) 3 sin 10° - 4 sin 3 10°

so,sin3A i.e sin 30=1/2

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