SOLUTION: express each of the following in terms of a reference angle. a) cos 236 degrees b)sin 485 degrees c)sin (-62 degrees)

Algebra ->  Trigonometry-basics -> SOLUTION: express each of the following in terms of a reference angle. a) cos 236 degrees b)sin 485 degrees c)sin (-62 degrees)      Log On


   



Question 38963: express each of the following in terms of a reference angle.
a) cos 236 degrees
b)sin 485 degrees
c)sin (-62 degrees)

Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
a) cos 236 degrees = cos 56 and will be negative
b) sin 485 degrees = sin 55 and will be positive
c) sin (-62 degrees) = sin 62 and will be negative
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