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wil3lowGerobsper
wil3lowGerobsper wil3lowGerobsper
  • 16-08-2016
  • Mathematics
Answered

Write the trig expression in terms of sine and cosine then simplify.

  1. cos t tan t
  2. cos t csc t

Verified Answer :

caylus
caylus caylus
  • 16-08-2016

Hello,

1) cos t tan t=cos t sin t/cos t =sin t (if cos t≠0)

2)cos t * cosec t =cos t /sin t =√(1-sin² t) / sin t.

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meerkat18
meerkat18 meerkat18
  • 19-08-2016

when we multiply cos t and tan t, the result is cos2 x over sin x. cos2 x is equal to 1 - sin2 x. the simplified form is 1/sin x  - sin x. csc t is the inverse of sin t. hence the cos t over sin t is equal to cot t. The answer in two is cos t over sin t

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