HOMEWORK HELP! model this sine function into a cosine function. sine function: 67.5sin12(x-7.5)+67.5​

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HOMEWORK HELP!

model this sine function into a cosine function.

sine function: 67.5sin12(x-7.5)+67.5​

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RI SƠ 3 years 2021-08-31T03:39:38+00:00 1 Answers 0 views 0

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  1. phucdien
    0
    2021-08-31T03:40:50+00:00
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    Answer:

    67.5sin12(x – 7.5) + 67.5

    = 67.5[sin 12(x – 7.5) + 1]

    = 67.5[sin(12x – 90) + 1]

    = 67.5[ sin(12x)cos90 – cos(12x)sin90 + 1]

    = 67.5[ -cos12x + 1]

    = 67.5 – 67.5cos12x

    Step-by-step explanation:

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