Math, asked by bhaskarjyotig12, 9 months ago

sin 2A=2sinA সত্য যেতিয়া A=

Answers

Answered by gagandeepsingh130305

0

sin2A=2sinA

the condition will only be true if A= 0°

sin0°=sin0°

0=0

Answered by omsingh020304

0

Answer:

A=0°

Step-by-step explanation:

sin 2A=2sinA

using sin 2A= 2sinAcosA

2sinAcosA=2sinA

dividing both sides by 2sinA

cosA=1

cosA=cos0°

A=0°

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