SOLUTION: I need assistance in finding the sin(x/2), cos(x/2), and tan(x/2) from: {{{sin(x) = 12/13}}} with 0degrees < x < 90degrees sin(x/2) = cos (x/2) = tan (x/2) = Thank you.

Question 1071584: I need assistance in finding the sin(x/2), cos(x/2), and tan(x/2) from: with 0degrees < x < 90degrees
sin(x/2) =
cos (x/2) =
tan (x/2) =
Thank you.
Found 2 solutions by Alan3354, ikleyn:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Look at "Half angle formulas" on Wikipedia.

Answer by ikleyn(52915) (Show Source): You can put this solution on YOUR website!
.
Solved and answered in
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https://www.algebra.com/algebra/homework/Trigonometry-basics/Trigonometry-basics.faq.question.1071585.html

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