ramsu2001 ramsu2001

23-11-2020
Mathematics

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if tanA=x/y find the value of xsinA + y cosB

Respuesta :

23-11-2020

Step-by-step explanation:

tana=x/y

sina/cosa=x/y

ysina=xcosa

sina=x/y cosa

Now,

xsina+ycosa

x*x/ycosa+ycosa

(x^2cosa+y^2cosa)/y

cosa(x^2+y^2)/y answer

hope this will help you !!!!

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