Need help in integration and trig(adsbygoogle = window.adsbygoogle || []).push({});

How do you integrate

1. 1/(1-x^5)

2. 1/(1+x^4)

and the trig question.

Show that

(a^2 - b^2)/c^2 = sin(A-B)/sin(A+B)

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# Trig And calculus

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