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If sec they + tan theta = x , what is the value of sec theta

Sirisha , 7 Years ago
Grade 10
anser 1 Answers
Arun

Last Activity: 7 Years ago

Dear student
 
 
I have taken P in place of theta because of simplicity in writing
 
sec p = x – tan p
 
squaring both the sides
 
sec2 p  = x2 – 2* x* tan p + tan2 p
sec2 p – tan2 p = x2 – 2* x* tan p
x2 – 2* x* tan p – 1 = 0
2* x* tan p = x2 – 1
tan p = (x2 – 1) / 2 x
 
Regards
Arun (askIITians forum expert)

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