Math, asked by raghurajparmar837, 9 months ago

Prove that −cos+1 +−1= 1 −tan

Answers

Answered by mbakshi37

0

Answer:

question is unclear.

Step-by-step explanation:

We want to prove that:

cosA1−tanA+sinA1−cotA≡cosA+sinA

If we manipulate the LHS we have:

LHS=cosA1−tanA+sinA1−cotA

=cosA1−sinAcosA+sinA1−cosAsinA

=cosAcosA−sinAcosA+sinAsinA−cosAsinA

=cos2AcosA−sinA+sin2AsinA−

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