Solution

prove

Solution

Solution steps
Manipulating left side
Rewrite using trig identities
Use the Pythagorean identity:
Simplify
Expand
Apply the distributive law:
Simplify
Multiply:
Apply exponent rule:
Add the numbers:
Add similar elements:
We showed that the two sides could take the same form

Popular Examples

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Frequently Asked Questions (FAQ)

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

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