There are 40 girls. The answer is 40.
Yes, that is in fact a function.
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16cmx16cm=256cm
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Answer:
The answer is 11/9
Step-by-step explanation:
Write out the sum formula for sin
<span>sin(x + y) = sinxcos + sinycosx </span>
<span>Then expand sin(a + b) + sin(a - b) </span>
<span>sinacosb + sinbcosa + sinacosb - sinbcosa </span>
<span>The 2nd and 4th terms cancel and you get </span>
<span>2sinacosb</span>