A recipe that serves two people calls for 1/2 cup of flour. How much flour will the cook need to serve eight people? A.1 1/2 cup
2 answers:
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Answer:
Step-by-step explanation:
We know by definition that the cosine is an even function, therefore
We also know that the sin is an odd function, therefore
By definition:
Then:
Using these trigonometric properties we can simplify the expression