How do you prove this trigonometric expression show your work on paper
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its 6:12 pm or am . yes i solve it
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Step-by-step explanation:
To Prove: cosec A - cotA*cosA = sinA
L.H.S
cosec A - cotA*cosA
1/sinA - cosA/sinA *cosA
1/sinA - cos2A / sinA
1 - cos2A/ sinA
sin2A/sinA. { sin2A + cos2A =1, 1 - cos2A = sin2A}
sinA
L.H.S = R.H.S (proved)
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