SOLUTION: Verify the identity Tan^2 (theta/2) = (sec theta - 1) / (sec theta + 1)

SOLUTION: Verify the identity Tan^2 (theta/2) = (sec theta - 1) / (sec theta + 1)

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Question 1159694: Verify the identity
Tan^2 (theta/2) = (sec theta - 1) / (sec theta + 1)
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

manipulate left side:

=.....since

=

=

=

=-> proven

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