Prove that;CotA-tanA=2sin^2A-1/sinA×cosA
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Answer:
Step-by-step explanation:
Cot a-tan a = cos a /sin a - sin a / cos a =cos2 a - sin2 a / sin a* cos a = 1-sin2 a - sin2 a / sin a*cos a = 2sin2 a -1/ sin a*cos a
vaneeshav1029:
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how comes - sin^A- sin^A becomes 2sinA
Ya a-sin2a- sin2a= -2sin2a hence it is 1-2sin2a/ sin a×cos a. The question asked was incorrect
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hence proved
your question is wrong buddy
hope it helps you
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All the best for your exam
your question is wrong buddy
hope it helps you
plzzz mark me as brainiest❤☺✌
All the best for your exam
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plzzz mark me as brainiest☺❤✌
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