2cos 4theta + 1 =

Write the expression in terms of costheta and then simplify.cos^4theta - sin^4theta + sin^2theta Ans: cos^4 θ - 1 - cos^4 θ +
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2. asked by Anonymous
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Find one solution for each equation.1. cos 4theta = sin theta 2. tan 4theta = cot (20^0 + 20) Write the function sin (B + 35^0)
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2. asked by Annika
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find the single term of cos^2 4theta - sin^2 4theta
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2. asked by jenna
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how do you get sin(4theta)/1+cos(4theta) to equal tan(2theta)
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2. asked by John
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what is the limit of g(theta)= tan(4theta)/4theta.
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2. asked by Ashley
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2cos 4theta + 1 = 0i know how to find the degrees (the last step of the problem), but i don't know how to start the problem.
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2. asked by Marie
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Prove or disprove the following identitysin^4theta - cos^4theta = sin^2theta-cose^2theta
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2. asked by Jerry
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cosA= 5/9 find cos1/2Aare you familiar with the half-angle formulas? the one I would use here is cos A = 2cos^2 (1/2)A - 1 5/9 +
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2. asked by Anonymous
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What am I doing wrong?Equation: sin2x = 2cos2x Answers: 90 and 270 .... My Work: 2sin(x)cos(x) = 2cos(2x) sin(x) cos(x) =
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2. asked by Anonymous
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Determine the solution of the equetion: 2cos x-1=0? 2cos x=0? and 2cos x+1=0?
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2. asked by Miley
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