SOLUTION: which expression is equivalent to cos (0+(pi/2)) (a) cos (theta) (b) -cos (theta) (c) sin (theta) (d) -sin (theta)

Algebra ->  Trigonometry-basics -> SOLUTION: which expression is equivalent to cos (0+(pi/2)) (a) cos (theta) (b) -cos (theta) (c) sin (theta) (d) -sin (theta)      Log On


   



Question 99361: which expression is equivalent to cos (0+(pi/2))
(a) cos (theta)
(b) -cos (theta)
(c) sin (theta)
(d) -sin (theta)

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
which expression is equivalent to cos (theta+(pi/2))
--------------
cos(theta + (pi/2)) = sin(theta)
==========
Cheers,
Stan H.