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Solve 4cos^2A = 3cosA for

  1. how do i verify these?1-sin^2B 1. ----------- = csc^2B-sec^2B sin^2Bcos^B 2. cos(2a+a) = 4cos^3a-3cosa
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    2. anjelica318 asked by anjelica318
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  2. Solve 4cos^2A = 3cosA for 90º≤A≤180º. (Enter only the number.)Find A when 0º≤A≤90º and 3tan^2A = 2tanA + 1. (Enter
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    2. TeeKay asked by TeeKay
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  3. If cotA=3/4find the value of 2sinA-3cosA ÷2sinA - 3cosA.
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    2. Anonymous asked by Anonymous
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  4. If sinA=1/2 then find cos^3A-3cosA.
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    2. Shashank asked by Shashank
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  5. Solve for exact or to 1d.p of x E [0 ,2pi]4cos^2x-3
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    2. Anonymous asked by Anonymous
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  6. 8-12SIN^2X=4COS^2XSOLVE FOR X
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    2. NN asked by NN
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  7. solve the equation 4cos^2x-1=0
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    2. kc asked by kc
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  8. solve the equation 4cos^2x-1=0
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    2. denise asked by denise
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  9. Write an equation for simple harmonic motion, given that the amplitude equals 4 inches and the period equals 2 seconds and the
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    2. Kayla asked by Kayla
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  10. solve for x if x is in radians.cos2(x) + 4cos(x) = -3
    1. answers icon 4 answers
    2. Sandy asked by Sandy
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