Math, asked by Sachink41, 5 months ago

Q4.Cos2A = 3/4 and O<A <90 Find SinA

Answers

Answered by mannat200891

0

Answer:

4cos

2

A=3

cos

2

=

4

3

cosA=

2

3

....(Neglecting the negative value)

cosA=cos30

A=30

∘

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