mathsscience647 mathsscience647

19-03-2021
Mathematics

contestada

AI Prove that:
1-cOS A
V1+cos A
cosec A-cot A

Respuesta :

Аноним Аноним

19-03-2021

Answer:

(1-cosA)/(1+cosA)

=(1-cosA)/(1+cosA) ×(1-cosA)/(1-cosA)

=(1-cosA)^2 /(1-cos^2A)

=(1-cosA)^2 / (sin^2A)

=(1/sinA - cosA/sinA )^2

=cosecA - cotA)^2

Hope it helps

Have a great Day ; )

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