Asked by Haley

what is the exact value of tan375degrees
Answered by Ms. Sue
http://www.google.com/search?hl=en&rlz=1G1GGLQ_ENUS374&&sa=X&ei=RVcMTO7-HoL88AblxfyKBw&ved=0CB4QBSgA&q=tan+375+degrees&spell=1

Answered by Haley
no, i need an exact answer
Answered by John
tan(375 degrees) = 0.267949192
Answered by Ms. Sue
Did you click on the above link?

tan(375 degrees) = 0.267949192

Answered by Christine
yes, but that is not an exact answer. i need a fraction of some sort, not a rounded decimal
Answered by Christine
if that confused you, haley and i are working together.
Answered by MathMate
tan(375°)
=tan(2π+15°)
=tan(15°)

Since tan(30°)=(√3)/2,
we use
tan(θ/2)=(1-cosθ)/sinθ, or
tan(θ/2)=sinθ/(1+cosθ)

Thus
tan(15°)
=(1-cos(30°))/sin(30°)
=(1-√3/2)/(1/2)
=2-√3


Answered by Jen
Or...you changed your name to "Haley" because "Christine" posted so many questions.
Answered by Christine
haha that would be funny, but really there are two of us here (:
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