SOLUTION: tan(45-60)in radical form

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Question 1026230: tan(45-60)in radical form
Found 2 solutions by ikleyn, MathTherapy:
Answer by ikleyn(52903)   (Show Source): You can put this solution on YOUR website!
.
tan(45-60)in radical form
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1. tan(45° - 60°) = tan(-15°) = -tan(15°). It is clear.


2. tan(15°) = ,  

   See the lesson Trigonometric functions of half argument - Examples in this site.

   Notice that   is the same as  ,  after multiplication the numerator and denominator by ,  as noted the other tutor.


3. So, finally,  tan(45° - 60°) = .


Answer by MathTherapy(10557)   (Show Source): You can put this solution on YOUR website!

tan(45-60)in radical form
 

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