QuestionMHF4UZ - Assessment \#6 Night School Dec 02, 2024
Name of Student: $\qquad$ Student ID: $\qquad$ Q. 1 Simplify each expression: Write the formula you will use to solve the Trig function a) $\operatorname{Cos} \frac{7 \pi}{12} \operatorname{Cos} \frac{5 \pi}{12}+\operatorname{Sin} \frac{7 \pi}{12} \sin \frac{5 \pi}{12}$ b) $\sin 2 x \cos x-\cos 2 x \operatorname{Sin} x$