SOLUTION: Evaluate each: a) 2sin30/3cos45 b) (sin210 - 2sin(5pi/4)/ cos150 c) (sin(-pi/4)) / (2cos(-pi) - sec(pi/6)) d) (tan(pi/2) )/ (csc(pi/6)) e) tan3pi + cos(-pi/6) f) (sin315)/(4

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Evaluate each: a) 2sin30/3cos45 b) (sin210 - 2sin(5pi/4)/ cos150 c) (sin(-pi/4)) / (2cos(-pi) - sec(pi/6)) d) (tan(pi/2) )/ (csc(pi/6)) e) tan3pi + cos(-pi/6) f) (sin315)/(4      Log On


   

Question 452095: Evaluate each:
a) 2sin30/3cos45
b) (sin210 - 2sin(5pi/4)/ cos150
c) (sin(-pi/4)) / (2cos(-pi) - sec(pi/6))
d) (tan(pi/2) )/ (csc(pi/6))
e) tan3pi + cos(-pi/6)
f) (sin315)/(4cos210 + 3sin(-330)
PLEASE HELP (:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


We're not going to do your whole homework assignment for you. One question per post.



Look at the Unit Circle:



Cosine is the x coordinate and Sine is the y coordinate, so:



Now all you have to do is simplify. Don't forget to rationalize your denomiator.

John

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