Math, asked by srinith1587gmailcom, 1 year ago

if sin2a ÷cos3a=5,find sina

Answers

Answered by saivivek16

0

Hey mate,...

Sin5A=

sin(2A+3A)=sin2A.cos3A+cos2A.sin3A

...by formula of sin(A+ B)

or we hv formula of sin2A=2sinA.cosB

so,sin5A=2sin[5A÷2].cos[5A÷2]

Hope it will help you.

⭐sai.

srinith1587gmailcom: what is the answer

srinith1587gmailcom: write the final ans,i.e sina

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