SOLUTION: Which identity would be the next best step for solving the following expression?
Expression & identities: https://s24.postimg.org/gxkb2gjlh/best_next_step_6.png
Thanks.
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Question 1063189: Which identity would be the next best step for solving the following expression?
Expression & identities: https://s24.postimg.org/gxkb2gjlh/best_next_step_6.png
Thanks.
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
D. If one considers that sec^2 x=tan^2 x+1
then sec^2 x-1=tan^2 x. Substitute tan^2 x for sec^2 x-1
Once you have that in place, you can multiply through to the answer on the right.
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