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Solve 4cos^2A = 3cosA for
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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anjelica318
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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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asked by
TeeKay
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If cotA=3/4find the value of 2sinA-3cosA ÷2sinA - 3cosA.
1 answer
asked by
Anonymous
585 views
If sinA=1/2 then find cos^3A-3cosA.
1 answer
asked by
Shashank
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Solve for exact or to 1d.p of x E [0 ,2pi]
4cos^2x-3
2 answers
asked by
Anonymous
363 views
8-12SIN^2X=4COS^2X
SOLVE FOR X
1 answer
asked by
NN
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solve the equation 4cos^2x-1=0
1 answer
asked by
kc
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solve the equation 4cos^2x-1=0
1 answer
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denise
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Write an equation for simple harmonic motion, given that the amplitude equals 4 inches and the period equals 2 seconds and the
1 answer
asked by
Kayla
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solve for x if x is in radians.
cos2(x) + 4cos(x) = -3
4 answers
asked by
Sandy
1,089 views