Math, asked by ratnakudari328, 2 days ago

show that (sin a+ Cos a)² =1+2 sina Cos a?

Answers

Answered by sauhardyah

0

Answer:

(sin a + cos a)^2

= sin^2 a + cos^2 a +2sin a cos a

=1+2sin a cos a( as sin^2 a + cos^2a =1)

Hope this helps...

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