If x+y=45°, prove that {(cotx+1)(coty+1)}/{cotx×coty}=2

  1. If x+y=45°, prove that{(cotx+1)(coty+1)}/{cotx×coty}=2 Please help me in this TRIGONOMETRY problem. From the topic -
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    2. A GOODSTUDENT asked by A GOODSTUDENT
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  2. Verify the identity:sin(x+y)/cos(x-y)=cotx+coty/1+cotxcoty
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    2. Sarah Fuller asked by Sarah Fuller
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  3. prove that(tanx + tany) / (cotx + coty) = (tanx)(tany)
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    2. urgent asked by urgent
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  4. (coty sec^2 y-coty)/(siny tany+cosy)
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    2. Anonymous asked by Anonymous
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  5. Prove cotx-1/cotx+1 = sec2x - tan2xI prove till cotx-1/cotx+1 =1/1+tanx - tanx/1+tanx
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    2. wang asked by wang
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  6. [Note: I'm still having issues with identities with regard to trig]Verify the Trig. identities: (a).
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    2. Amber asked by Amber
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  7. Prove that if y = cotx then dy/dx = - (cscx)^2. Hint: cotx = cosx/sinx
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    2. help me pls asked by help me pls
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  8. Provecotx-1/cotx+1=1-sin2x/cos2x
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    2. monic asked by monic
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  9. Prove the following trigonometric identities(i)(1+cotx)^2 +(1-cotx)^2=2cosec^2x (ii)cos(270degrees+theta)/cos(360degrees -theta)
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    2. tembo asked by tembo
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  10. Prove the identitycscx+cotx-1/cotx-cscx+1 = 1+cosx/sinx
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    2. Anonymous asked by Anonymous
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