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Mathematics 8 Online
OpenStudy (anonymous):

I need help to solve this problem:

OpenStudy (anonymous):

OpenStudy (joannablackwelder):

1

OpenStudy (anonymous):

Can you show how to solve for it, I'm really confused.

OpenStudy (joannablackwelder):

There is a trig identity that states sin^2(x)+cos^2(x)=1. Make sense?

OpenStudy (anonymous):

Yes

OpenStudy (joannablackwelder):

:)

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