3 years ago

HELP pythagorean identity

Mathematics

2 answers:

borishaifa [10]3 years ago

7 0

Answer:

sin x

Step-by-step explanation:

sin ^2 x + sin x + cos ^ x -1

sin ^2 x + cos ^ x + sin x-1

We know that sin^2 x + cos ^2 x = 1

1 + sin x -1

sin x

otez555 [7]3 years ago

4 0

Hi!

$\sin^2x+\sin x+\cos^2 x-1=\\\\=\underline{\sin^2x+\cos^2x}+\sin x-1=\\\\=1+\sin x-1=\boxed{\sin x}$

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