Question

Solve



If cos A=5/12 find secA.​

Answer 1

Cos A = 5/12

\implies⟹ SecA = 12/5

As we know,

The reciprocal of CosA is SecA

Answer 2

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As we know

$\cos(a) = \frac{1}{ \sec(a) } \\ so \\ \sec(a) = \frac{1}{ \cos(a) } \\ ie \\ \sec(a) = \frac{1}{ \frac{5}{12} } \\ \sec(a) = \frac{12}{5}$

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