Ask a New Question
Menu

Prove the identity Sin^3X sinx*cos^2X=tanx/cosX

2 answers

I have no reason to believe it is true.
Not only that, I'm not sure what the sin^3x is even doing there.

I will note that

sin/cos^2 = tan/cos
Similar Questions
  1. Prove the following identity:1/tanx + tanx = 1/sinxcosx I can't seem to prove it. This is my work, I must've made a mistake
    1. answers icon 1 answer
  2. Trigonometric IdentitiesProve: (tanx + secx -1)/(tanx - secx + 1)= tanx + secx My work so far: (sinx/cosx + 1/cosx +
    1. answers icon 0 answers
  3. Simplify #3:[cosx-sin(90-x)sinx]/[cosx-cos(180-x)tanx] = [cosx-(sin90cosx-cos90sinx)sinx]/[cosx-(cos180cosx+sinx180sinx)tanx] =
    1. answers icon 1 answer
  4. 1. Prove the identity:cosx/1-tanx+sinx/1-cotx=sinx+cosx2.Prove the identity: cosx/1+sinx+1+sinx/cosx=2secx
    1. answers icon 0 answers
more similar questions