Math, asked by urvilgodhani, 5 months ago

(cosx+isinx)²=......

Answers

Answered by bhatpr2017

1

Answer:

1+2cosxsinx

Step-by-step explanation:

(cosx+sinx)^2=cos^2x+sin^2x+2cosxsinx

=1+2cosxsinx(because sin^2+cos^2=1)

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