Question

If secA+tanA=x,then secA=?

Answer 1

Answer:

$\sec(a ) = x - \tan(a)$

Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

tanA=x-secA

squaring

tan^2A=x^2+sec^2A-2xsecA

sec^2A-1=x^2+sec^2A-2xsecA

2xsecA=x^2+1

secA=(x^2+1)/2x