Tirgonometric Identities and Equations

Algebra
Tutor: None Selected Time limit: 1 Day

Rewrite g(x) = 5 cos (2x - pi/4) - 3 as, k(x), a function of sine. Please show all work. 

Jun 4th, 2015

Thank you for the opportunity to help you with your question!

convert(sinx,cos)⇒±1−cos2(x)−−−−−−−−−

convert(cosx,sin)⇒±1−sin2(x)−−−−−−−−−

convert(cosxsinx,tan)1tanx


having that already in your mind...............................................................

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 4th, 2015

Could you please solve the problem instead of dropping hints? Thank you.

Jun 4th, 2015

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Jun 4th, 2015
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