Solution

prove

Solution

Solution steps
Manipulating left side
Rewrite using trig identities
We showed that the two sides could take the same form

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Frequently Asked Questions (FAQ)

  • Is cos^4(x)+sin^2(x)cos^2(x)=cos^2(x) ?

    The answer to whether cos^4(x)+sin^2(x)cos^2(x)=cos^2(x) is True