Prove that cot²A(secA-1) = Cos A

1 answer

sorry - ain't so. Check for typos

However, cot(sec^-1(A)) = √(A^2-1)
cot^2(sec^-1(A)) = A^2-1

I think I can see how the question was mangled. Can you?
Similar Questions
    1. answers icon 1 answer
  1. Prove the identity:tanA/secA+1 = secA-1/tanA Can u please explainit to me step by step? I greatly appreciate your help! Thanks:)
    1. answers icon 2 answers
  2. Prove that1 + tanAtanA/2 = tanAcotA/2 -1 = secA
    1. answers icon 1 answer
    1. answers icon 1 answer
more similar questions