Evaluate
-\frac{11\pi }{84}\approx -0.411399038
Expand
-\frac{11 \pi}{84} = -0.4113990379700919
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\frac{-\frac{11}{42}\pi }{2}
Combine \frac{\pi }{14} and -\frac{\pi }{3} to get -\frac{11}{42}\pi .
-\frac{11}{84}\pi
Divide -\frac{11}{42}\pi by 2 to get -\frac{11}{84}\pi .
\frac{-\frac{11}{42}\pi }{2}
Combine \frac{\pi }{14} and -\frac{\pi }{3} to get -\frac{11}{42}\pi .
-\frac{11}{84}\pi
Divide -\frac{11}{42}\pi by 2 to get -\frac{11}{84}\pi .
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