Question

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Answer 1

Answer:

easy peay lemon squezy use identity

Step-by-step explanation:

sin^2 +cos^2= 1

use and find it

Answer 2

sin

Step-by-step explanation:

1.sin^2 + cos ^2 =1

2. 1-sin^2 = cos ^2

3. 1-cos^2= sin^2