Prove that tanA + cotA =1 if sinA + cosA is given.

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Prove that tanA + cotA=1 if sinA + cosA is given @DeeptiMukherjee1 It is the video where I have calculated the value sinA.cosA from the given expression.Put the value of sinA.cosA in tanA + cotA in left hand side. I have explained step-by-step to prove the problem. Some formulas are used here.
tanA=sinA/cosA
cotA= cosA/sinA
sin²A + cos²A =1.
Deepti Mukherjee
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