Question

sin^2 45° + cos^2(180°-45°) = ?​

Answer 1

Answer:

Step-by-step explanation:

Sin*2 (45) = (1/2)

Cos*2(180-45)=

In second quadrant cos negative.,

(-cos(45) )*2

=1/2

Adding it

1/2 +1/2

=1

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Answer 2

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