SOLUTION: Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number. (tan 73� − tan 13�) / (1 + tan 73� tan 13�)

Question 871096: Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number.
(tan 73� − tan 13�) / (1 + tan 73� tan 13�)
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number.
(tan 73� − tan 13�) / (1 + tan 73� tan 13�)
***
Identity: tan(x-y)=tanx-tany/1+tanx*tany
(tan 73� − tan 13�) / (1 + tan 73� tan 13�)=tan(73-13)=tan(60)=√3
RELATED QUESTIONS
Use an Addition or Subtraction Formula to write the expression as a trigonometric... (answered by Alan3354)

Use an Addition or Subtraction Formula to write the expression as a trigonometric... (answered by lwsshak3)

Use an Addition or Subtraction Formula to write the expression as a trigonometric... (answered by lynnlo)

Use an addition or subtraction formula to write the expression as a trigonometric... (answered by ikleyn)

Use an addition or subtraction formula to write the expression as a trigonometric... (answered by robertb)

Use an addition or subtraction formula to write the expression as a trigonometric... (answered by stanbon)

Use an addition or subtraction formula to write the expression as a trigonometric... (answered by Edwin McCravy)

Use an Addition or Subtraction Formula to write the expression as a trigonometric... (answered by lwsshak3)

SOLUTION: Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number. (tan 73� &#8722; tan 13�) / (1 + tan 73� tan 13�)

SOLUTION: Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number. (tan 73� − tan 13�) / (1 + tan 73� tan 13�)