Solution
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Solution
Solution steps
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Rewrite using trig identities
Use the basic trigonometric identity:
Popular Examples
expand (2s+5)/((s+1)*(s+2)^2)expand expand (100-e^{0.1q})(q)expand expand 1/e (x-1)expand expand (10s+8e^{-3pis}s+3-3e^{-11s})/(s(s^2+9))expand expand f(x)(2x+1)+g(x)(-4x-1)'expand
Frequently Asked Questions (FAQ)
What is expand cos((1+n)pi) ?
The solution to expand cos((1+n)pi) is -(-1)^n