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Other Trig Identities

There are other trigonometric identities that can help evaluate integrals. For example, the double angle formulae

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can be combined with other trig identities to evaluate integrals. since

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we have (with a little algebra) tex2html_wrap_inline384 so that

eqnarray151


Vector Calculus
Sun Aug 3 11:17:56 MST 1997