Question

Sectheta+ tantheta=6. Find sectheta

Answer 1

Secα +tanα = 6
We know that sec²α-tan²α=1
This can be written as (secα-tanα)(secα+tanα)=1
Substitute the value of secα+tanα=6 in the above equation from which we get the value of secα-tanα= 1/6
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