A bakery makes 7 kinds of pastry. just sip Awhile cafe ordered 99 of each kind of pastry. How many pastries in total did just si
2 answers:
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→ Substitute cos 2x and sin 2x by their expressions
→ Subtract both sides by sin x
→ Take sin x as a common factor in the right side
From the graph, the equation has 4 solutions, the intersection points between the 2 graphs
