Matt got on a scale and weighed 243.28 pounds. After dieting and exercising for several weeks, he lost 17.29 pounds.
1 answer:
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Answer:
The answer is cscx(cscx - 1) ⇒ the second answer
Step-by-step explanation:
∵ csc²x = cot²x + 1
∴
Multiply the fraction by its conjugate 1 - sinx (up and down)
∴
∵ 1 - sin²x = cox²x
∴
∵ cot²x = cos²x/sin²x
∴
Take cscx as a common factor
∴ cscx(cscx - 1)