Math, asked by singhmanroop674, 5 months ago

evaluate sin(90°-A)sinA -cos(90°-A)cosA

Answers

Answered by pankajgupta985244248

0

Answer:

0

Step-by-step explanation:

=sin(90°-A)sinA -cos(90°-A)cosA

=cosAsinA-sinAcosA

=0

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