Math, asked by deepmauje2005, 4 hours ago

If 2 sin ² + 3 sin 0 = 0 , find the
pesmissible value of cos @​

Answers

Answered by devikarana1212
1

Answer:

cos(sin

−1

5

2

+cos

−1

x)=0

⇒sin

−1

5

2

+cos

−1

x=cos

−1

0

⇒sin

−1

5

2

+cos

−1

x=

2

π

⇒sin

−1

5

2

=

2

π

−cos

−1

x

5

2

=sin(

2

π

−cos

−1

x)

5

2

=cos(cos

−1

x)

⇒x=

5

2

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