Tirgonometric Identities and Equations

User Generated

Shmmyr

Mathematics

Question Description

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

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Explanation & Answer

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cosx=sin(x+pi/2)

so 5 cos (2x - pi/4) - 3 =5cos(2(x-pi/8))-3=5sin(2(x-pi/8+pi/2))-3=5sin(2(x+3pi/8))-3

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Sngva Zraunm (1755)
UIUC

Anonymous
This is great! Exactly what I wanted.

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