3 years ago

HELP HELP ASAP HELP!!!

Mathematics

1 answer:

xenn [34]3 years ago

5 0

Answer:

Domain: 7 9 12 21

Range: 9 10

Step-by-step explanation:

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aksik [14]

Answer:

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Step-by-step explanation:

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2 years ago

find the value of tan (a-b) if cos a=4/5 on the interval (270, 360) and sin b=-5/13 on the interval (270, 360)

Rudiy27

We can find a and b using inverse trig functions,

$\cos(a)=\frac{4}{5}\implies a=\arccos\Big(\frac{4}{5}\Big)\approx36.87 \\\sin(b)=-\frac{5}{13}\implies b=\arcsin\Big(-\frac{5}{13}\Big)\approx-22.62$

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3 years ago