Homework Help: Math

Posted by Shaun on Monday, November 15, 2010 at 1:35am.

Use an addition or subtraction formula to write the expression as a trigonometric function of one number, and then find its exact value.

(tan(π/2)+tan((2π)/3))
/
(1-tan(π/2)tan((2π)/3))

Answer=__________
Exact value answer=_________

~Thank you.. I thought it was undefined, apparently not.

Math - Reiny, Monday, November 15, 2010 at 8:50am
Your expression exactly matches the expansion for
tan(A+B)

so you would get tan(π/2 + 2π/3)
= tan 7π/6
= .....
Math - Shaun, Monday, November 15, 2010 at 5:55pm
Ahh Surprised I didn't see that.. Thank you.. The exact value would be .5773 right?

Answer this Question

Related Questions

Math - Evaluate *Note - We have to find the exact value of these. That I know to...
Math - Write an equation of the tangent function with period (3π)/8, ...
math - Use an Addition or Subtraction Formula to find the exact value of the ...
Precalculus - Use one of the identities cos(t + 2πk) = cos t or sin(t...
trig - Use an addition or subtraction formula to write the expression as a ...
Trigonometry - How do I evaluate the trigonometric functions of the quadratic ...
Pre Calc - evaluate the trigonometric function of the given quadrantal angle. ...
trigonometry - 3. write tan (π/4-β) as a function of &#946...
Trigonometry - IM STUCK ON THESE :( 1. What is the equation for shifting the ...
Trigonometry - IM STUCK ON THESE :( 1. What is the equation for shifting the ...

For Further Reading

First Name:
School Subject:
Answer: