How do you simplify [(2 + tan^2x) / sec^2x] - 1?
2 Answers
Apr 19, 2018
Explanation:
Since,
Apr 19, 2018
Explanation:
"using the "color(blue)"trigonometric identity"
•color(white)(x)1+tan^2x=sec^2x
rArr[(1+1+tan^2x)/sec^2x]-sec^2x/sec^2x
=(1+sec^2x)/sec^2x-sec^2x/sec^2x
=1/sec^2x=cos^2x