Simplify: (sin Θ − cos Θ)2 + (sin Θ + cos Θ)2 1 2 sin2 Θ cos2 Θ

asked Apr 24, 2019 133k views

1 vote

Simplify: (sin Θ − cos Θ)2 + (sin Θ + cos Θ)2
1
2
sin2 Θ
cos2 Θ

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3 votes

(sin a - cos a)² + (sin a + sin b)² =

sin² a -2sin a cos a + cos²a + sin²a +2cos s sin a + cos²a =

2sin²a + 2cos²a = 2(sin²a + cos²a) = 2*1 = 2

Banzor answered Apr 25, 2019

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6 votes

Answer:

Explanation:

edge 2020

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