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Sinø/1-cosø-cotø=cscø?

prove the identity

2007-03-08 15:35:53 · 1 answers · asked by spunkballa 2 in Science & Mathematics ➔ Mathematics

1 answers

[Sinø/(1-cosø)]-cotø
= sinø/(1-cosø) - cosø/sinø
= (sin^2 ø-cosø+cos^2ø)/(sinø-sincosø)
= (1-cosø)/sinø(1-cosø)
=1/sinø
=cscø

2007-03-08 15:41:58 · answer #1 · answered by Maths Rocks 4 · 0⤊ 0⤋

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