Math, asked by shilpisingh76812, 6 months ago

यदि SinA=
Cos2A
मान निकाले
A

Answers

Answered by vikash544

0

Answer:

Cos(90°-A)=Cos2A

90°-A=2A

2A+A=90°

3A=90°

A=30°

Answered by aditiyadav02

0

Answer:

A = 30

Step-by-step explanation:

sin A = cos 2A

cos (90 - A) = cos 2A

90 - A = 2A

3A = 90

A = 30

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