Express secA in terms of sinA
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Step-by-step explanation:
see mate
by use of the basic trigonometric identities u can manipulate every trigonometric function in terms of other trigonometric functions
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SecA=1/cosA
Cos2A=1-Sin2A
CosA=root(1-Sin2A)
Therefore
SecA=1/root(1-sin2A)
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