If sec theta + tan theta = x . Then find the value of sec theta
If sec theta + tan theta = x . Then find the value of sec theta
Rajpinder Singh , 7 Years ago
Grade 10
Trigonometry> If sec theta + tan theta = x . Then find ...
1 Answers
Arun
As we now
sec^2 A – tan^2 A = 1
(secA + tanA) (secA – tanA) = 1
secA + tanA = 1 / (secA – tanA) = 1/ x
hence
add both the equations
2 sec A = x + 1/ x
secA = x^2 + 1 / 2x
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