Math, asked by SwathiSurampally123, 3 months ago

value of sin 18°/sin 72° =

Answers

Answered by prabhukarthick004

1

Answer:

Let's consider 18=a and 72=b,

Formula sin(a+ b)=sin a.cos b +cos a.sin b

Put the values of a and b

Sin(72+18) Sin90=1.

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