Prove cotx-1/cotx+1=1-sin2x/cos2x

Provecotx-1/cotx+1=1-sin2x/cos2x
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2. asked by monic
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How do i verify:cotx = (sin2x)/(1-cos2x)
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2. asked by jill
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sin2x-cotx = -cotxcos2xUsing the various trigonometric identities(i.e. double angle formulas, power reducing formulas, half
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2. asked by sam
3. 2,210 views
cotx = -2 and 0 less than or equal to x less than or equal to piFind sin2x and cos2x How to get the answers of sin2x = -4/5,
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2. asked by Amandeep
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Prove the following functions:(sinx+sin2x)/(1+cosx+cos2x)=tan x (cos3x/sinx)+(sin3x/cosx)=2cot2x tan2x=(2/cotx-tanx) theses are
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2. asked by jared
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Prove cotx-1/cotx+1 = sec2x - tan2xI prove till cotx-1/cotx+1 =1/1+tanx - tanx/1+tanx
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2. asked by wang
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simplify (cos4x-cos2x)/(sin4x+sin2x) the answer choices are : cotx, tanx, cotxtanx, or 1
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2. asked by Scott
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Simplify the expression using trig identities:1. (sin4x - cos4x)/(sin2x -cos2x) 2. (sinx(cotx)+cosx)/(2cotx)
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2. asked by Tasha
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Prove the identity:1-cos2x/sin2x = 1+tanx/1+cotx I simplified the RS to tanx. LS:(1-2cos²x+1)/2sinxcosx (2+2cos²x)/2sinxcosx
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2. asked by sh
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Prove that if y = cotx then dy/dx = - (cscx)^2. Hint: cotx = cosx/sinx
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2. asked by help me pls
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