Final Answer
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Divide $\pi $ by $4$
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$\cos\left(\frac{\pi}{4}\right)\cos\left(\frac{\pi }{3}\right)+\sin\left(\frac{\pi }{4}\right)\sin\left(\frac{\pi }{3}\right)$
Learn how to solve simplify trigonometric expressions problems step by step online. Simplify the trigonometric expression cos(pi/4)cos(pi/3)+sin(pi/4)sin(pi/3). Divide \pi by 4. Divide \pi by 3. Divide \pi by 4. Divide \pi by 3.