Prove that (Cos 5/2 A + Cos 3/2 A) / (Sin 3?2A + Sin A/2) ≡ Cot A Cos A - Sin A

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Prove Tan (P+Q) - Tan P ≡ Sin Q / Cos P Cos (P+Q)

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cos^4 x + sin^2 x ≡ sin^4 x + cos^2 x LHS, cos^4 x + sin^2 x

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(Sin x Tan x) / (Tan x - Sin x) ≡ (Tan x + Sin x) / (Sin x Tan x) LHS, (Sin x Tan x) / (Tan x - Sin x)

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cos^4 x + sin^2 x = sin^4 x + cos^2 x how to prove?

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We are supposed to find all solutions for each of the equations on the interval [0,2Π] please help as soon as possible.

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i need to prove this with trigonometric identities, i'm kind of lost. thanks.

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what are the steps to verify this trig identity

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cos=1/11 find sin, tan, csc,sec,cot please help me quickly

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tanU-1/tanU+1=1-cotU/1+cotU

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csc^2(x)/tan(x)+cot(x)

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I figured this out using my calculator but I need help solving through it without. (cosX)/(1+sinX)+tanX

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No restrictions on Θ. cos2Θ-1=0

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1+cosx = sinx sinx 1-cosx

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tan2x = sin2x 1+tan2x

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sin3x - cos3x/ sinx- cosx= 1 +(sinx)(cosx)

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i need this for my test tomorrow and my teacher isnt asnwering my emails

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Prove that: 1 + cos x = sin x sin x 1 - cos x

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Use the fundamental identities to simplify the expression

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how does sinx+cosx when squared equal to sin^2x + 2sinxcosx + cos^2x ?