English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

Using algebra & Trig. Identities to simplify. The x is not a variable, it multiply.

2007-04-25 07:19:43 · 2 answers · asked by Vicky 2 in Science & Mathematics Mathematics

(8cos t/ sin^2 t) (sin^2 t-sin t cos t) / (sin^2 t - cos^2 t)

2007-04-28 13:08:23 · update #1

2 answers

If you mean:
(8cos t/ sin^2t)(sin^2t-sin t cos t)/ (sin^2 t - cos^2 t)
= 8cot t/ sint *[sint(sint-cost]/[(sint-cost)(sint+cost)]
8cot t/(sin t + cost)

2007-04-25 07:42:46 · answer #1 · answered by ironduke8159 7 · 0 0

There is a typographical error at sin^t

Remember sin2t=2sint cost
and sin^2t+cos^2t=1

2007-04-25 14:30:39 · answer #2 · answered by iyiogrenci 6 · 0 0

fedest.com, questions and answers