SOLUTION: Can someone please help me with this question?! Thank you! Use an addition or subtraction formula to write tan21°+tan44°/1-tan21°tan44° as a trigonometric function of one n

Question 1169845: Can someone please help me with this question?! Thank you!
Use an addition or subtraction formula to write
tan21°+tan44°/1-tan21°tan44°
as a trigonometric function of one number.
You must enter your answer as a degree converted to radians.
Answer by ikleyn(52898) (Show Source): You can put this solution on YOUR website!
.


The addition formula for the tangent says that


    tan(a+b) = .


In your case  a = 21°,  b = 44°.

From this point, you do the rest.

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