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The center pole of a tent is 8 feet tall...

The center pole of a tent is 8 feet tall, and a side of the tent is 12 feet long , as shown below .

Which of the following expressions could be used to find the measure of `angleA` ?

A

cos `A=8/12`

B

sin `A=8/12`

C

`tan A=8/12`

D

`sin A=(4sqrt5)/12`

Text Solution

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The correct Answer is:
B
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