Math, asked by maniyaliza0, 1 month ago

sin(5A+20)=cos(3A+6),A=?​

Answers

Answered by Preeti1721
0

A= 8⁰

Hope it'll helpfull to you .

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Answered by akangsha25
0

Answer:

given, sin(5A+20)=Cos(3A+6)

=Sin(5A+20)=Sin{90-(3A+6)}

= 5A+20=90-3A-6

= 5A+20=84-3A

=5A+3A=84-20

=8A=64

A=8

NOTE- In the second line I use a formula,

cosA= Sin(90-A)

the value of A=8

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