Solution
simplify
Solution
Solution steps
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Expand
Use the Pythagorean identity:
Add the numbers:
Use the Angle Difference identity:
Factor
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Popular Examples
expand (e^xcos(x)-sin(x)e^x)^2expand d/(dt)((x)(cos(t)+tsin(t)))expand 2(x^2+2x-5)^3expand expand x(1-\sqrt[3]{x})expand ((8x^2+13))/((x^2+1)(x+1))
Frequently Asked Questions (FAQ)
What is (sin(a)+sin(b))^2+(cos(a)+cos(b))^2 ?
The solution to (sin(a)+sin(b))^2+(cos(a)+cos(b))^2 is 2cos(a-b)+2