1-sinA/cosA=cosA/1+sinA prove the following
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How do I prove that cosA/(1-sinA) = (1+sinA)/cosA?
cosA1−sinA=1+sinAcosA
Left hand side
cosA/1−sinA=(cosA)(1+sinA)/(1−sinA)(1+sinA). : (multiply ÷by 1+sinA)
=(cosA)(1+sinA)/(1−sin^2A)
=(cosA)(1+sinA)/(cos^2A)
=1+sinA/cosA
=Right hand side
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