1. (1/(1+sinx)) + (1/(1-sinx)) = 2SEC(X)^2 2.1/(secx-tanx)= secx+tanx
Follow Math Help Forum on Facebook and Google+
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
Hello, bilbobaggins! . .
View Tag Cloud