1.

(1/(1+sinx)) + (1/(1-sinx)) = 2SEC(X)^2

2.1/(secx-tanx)= secx+tanx

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- Mar 11th 2008, 02:36 PMbilbobagginsProving analytic trig
1.

(1/(1+sinx)) + (1/(1-sinx)) = 2SEC(X)^2

2.1/(secx-tanx)= secx+tanx - Mar 11th 2008, 02:42 PMMoo
Hello,

For the first one, put the fractions of the left side on the same denominator. Then simplify with the cosē+sinē=1 formula ;)

For the second one, multiply the first term with 1-sin(x) on the numerator and denominator - Mar 11th 2008, 09:20 PMSoroban
Hello, bilbobaggins!

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