sec A + tan A = x find sec A
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Step-by-step explanation:
SecA+tanA=x .........(1)
1/cosA+sinA/cosA= x
x=1+sinA/cosA.........(2)
Substitute (2) in (1)
SecA+tanA=1+sinA/cosA
SecA= 1+sinA/cosA-tanA
SecA=1+sinA/cosA-sinA/cosA
SecA=1+sinA-sinA/cosA
SecA=1+0/cosA
SecA=1/cosA
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