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I need help with pre-cal and understanding how to simplify this trig expression with identities.

I need help with pre-cal and understanding how to simplify this trig expression with-example-1
User EMarine
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5 votes

Answer:

cos^2(x). My solution won't show up on paper but if you need help text me I'll explain step by step.

User Carlos Luis Rivera
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8.1k points
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