Math, asked by swetabrij, 6 months ago

If sin a=0.8 then find the value of 5

Answers

Answered by pratyusha88

1

Answer:

sin2(x)+cos2(x)=1. If sin(x)= 0.6 then (0.6)2+cos2(x)=1. cos2(x)=1−0.36= 0.64. cos(x)=±0.8.

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