Question

19.
tan A
cos A
Prove :
tanª o coto
1+tan' o '1+ cot? O
+
sec 0 cosec 0 - 2 sin 0 cos

Answer 1

Step-by-step explanation:

here's is your answer

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Answer 2

Step-by-step explanation:

question is not clear. plz write it on a paper or take a photo of question from book and share