TrigonometryMediumSum, Difference, and Multiple-Angle Formulas ShareSum, Difference, and Multiple-Angle Formulas · Medium problemFind the exact value of cos195∘\cos 195^\circcos195∘ using 195∘=150∘+45∘195^\circ = 150^\circ+45^\circ195∘=150∘+45∘.Check Show answer Walk through it step by step Practice more like this Review this concept