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-\frac{%CF%80}{2}&line2=\mathrm{Solution:\:}-\frac{%CF%80}{2} "cos(pi/2)-pi/2")
cos(pi/2)-pi/2
um math prep: s14.2 - function values
SOLVED: Use range reduction express the following in terms of sin and cos of angles between 0 and pi/4. For example, sin((7/3)"pi) sin((1/3)*pi) cos ((1/2-1/3)"pi) cos (pi/6) sin((17/8) *pi) sin((255/16)"pi) cos((931/13)*pi) Useful trig
