English, asked by kunal141010, 11 months ago

If cot (alpha +beta) =0 then
sin (alpha +2beta) =​

Answers

Answered by pushpakala086
2

cot(α+β)=0

⇒α+β=

π

2

 

Now, sin(α+2β)=sin(α+β+β)

=sin(

π

2

 

+β)

=cosβ

∴sin(α+2β)=cosβ

Answered by THEGOODBOY90
3

Answer:

hey watch the above pic for ur answer of the question

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