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

User Lauri Koskela
by
8.7k points

2 Answers

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
User Banzor
by
8.9k points
6 votes

Answer:

2

Explanation:

edge 2020

User Charles Stewart
by
9.1k points
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