# I need help in precalc.. it says "Express in terms of the cosine function with exponent 1." cos^4 θ/2 Any help is appreciated?

• I need help in precalc.. it says "Express in terms of the cosine function with exponent 1." cos^4 θ/2 Any help is appreciated?

noob here. need step by step help. Big calc exam coming up. I kinda get stuff, but I am weak in algebra and precalc so please elaborate as much as possible ...
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Trig Bearing Problems Any help would be appreciated! I just ... Trig/precalc bearing problems need help.
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A summary of Tigonometric Equations in 's Precalculus: Trigonometric Functions. ... below are true for any ... θ) = . cot(θ) = . (sin(θ)) 2 + ...
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Any help is appreciated. ... that I see and I am not any closer to knowing what files I need to install ... Download software from Service Marketplace.
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... for any similar triangle the ratio of the hypotenuse ... That is to say, ... (crd(θ) = 2 sin ...