SOLUTION: Use the angle sum identities to find the exact value of the trigonometric expression tan 345°
A 2 + sqrt3
B -2 - sqrt3
C -2 + sqrt3
D 2 - sqrt3
Algebra.Com
Question 627299: Use the angle sum identities to find the exact value of the trigonometric expression tan 345°
A 2 + sqrt3
B -2 - sqrt3
C -2 + sqrt3
D 2 - sqrt3
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
, and 
\ =\ \frac{1\ -\ \cos(\varphi)}{\sin(\varphi)})
\ =\ \frac{\sqrt{3}}{2})
and
\ =\ -\frac{1}{2})
Plug in the values and do the arithmetic.
John
My calculator said it, I believe it, that settles it
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