SOLUTION: Simplify the expression: (1/cos(x)^2)+(1/sin(x)^2)-sin(x)^2-cos(x)^2 I've figured out the last half =-1 but i can't figure out the rest. the possible solutions are: a. tan^2+c

Question 719462: Simplify the expression: (1/cos(x)^2)+(1/sin(x)^2)-sin(x)^2-cos(x)^2
I've figured out the last half =-1 but i can't figure out the rest.
the possible solutions are:
a. tan^2+csc^2
b. cot^2+1
c. tan^2+1
d. sec^2+csc^2
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!

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