Math, asked by ghanavi130, 2 months ago

if cos (90º-A)=0, then sin ( A+B ) =

Answers

Answered by MuskanBhadoriya

1

Step-by-step explanation:

cos(90-A) = sinA= 0

sin(A+B) = sinAcosB+cosAsinB

= 0×cosB+cosAsinB

=0+cosAsinB

= cosAsinB. answer

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