Trigonometric function
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Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Reflect the point (7,0) across the y-axis