Laileynotmartysp Laileynotmartysp

16-08-2016
Mathematics

Answered

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

tan θ/(sec θ − cos θ)

Verified Answer :

16-08-2016

Hello,

tan t /(sec t -cos t)= sin t/(cos t (1/cos t -cos t))
=sin t/(cos t(1-cos ²t)/cos t))
=sin t/sin² t=1/sin t [or=cosec t.]

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