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2tanx-sin2x÷2sin*2x =tanx

  1. 2tanx-sin2x÷2sin*2x =tanx
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    2. Njabulo asked by Njabulo
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  2. 2tan^2x-tanx-1=00<x<2pi •MATH - Steve, Thursday, July 18, 2013 at 11:48am (2tanx+1)(tanx-1) = 0 tanx = -1/2 or 1 ... Recall in
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    2. ROBIN asked by ROBIN
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  3. Getting ready for trig semester finals. Can't figure out how they are simplifying these equations. (these are the review not
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    2. Josh asked by Josh
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  4. Prove :cosx-cosy= -2sin(x+y/2)sin(x-y/2)Prove: 2cot-2tanx= 4-2sec^2x / tanx
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    2. Sarah asked by Sarah
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  5. I keep trying to solve this by factring but I can't seem to get! It's so frustrating!The problem is 1+tan2x=0 This is how I
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    2. Jen asked by Jen
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  6. since sin2x+√3cos2x=2sin(2x+60) find the general solution for the equation sin2x+√3cosx=0thank you
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    2. phillip asked by phillip
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  7. Can someone help me find ALL solutions in the interval [0,2π) for the given equations. Please show work.1) sin2x = sin2x 2)
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    2. Jane asked by Jane
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  8. tanx = 5/12 and sinx<0Find sin2x and cos2x How to get the answers of sin2x = 120/169 and cos 2x = 119/169?
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    2. Amandeep asked by Amandeep
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  9. Prove:1-tanx/1+tanx=1-sin2x/cos2x
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    2. Xiumin asked by Xiumin
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  10. 2tanx +tanx-tan^3x
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    2. Mahamed deeq asked by Mahamed deeq
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