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3 years ago

If tan theta= 15/8, then:

2 answers:

5 0

Hello there!

The only thing we have to do here is remember our trigonometric functions!

sin=y/r
cos=x/r
tan=y/x
sec=r/x
csc=r/y
cot=x/y

Knowing that tanᎾ=15/8, we know that y=15 and x=8

Now we need to look at the answer choices and see if they are correct.

A. secᎾ=17/8
Since secᎾ=r/x and r=17 and x=8, this is correct.

B. cosᎾ=15/17
Since cosᎾ=x/r and x=8 and r=17, this is wrong.

C. cotᎾ=8/15
Since cotᎾ=x/y and x=8 and y=15, this is also correct!

D. cscᎾ=17/15
Since cscᎾ=r/y and r=17 and y=15, this is right too.

I really hope this helps!
Best wishes :)

Simora [160]3 years ago

5 0

Answer:

secᎾ=17/8

cotᎾ=8/15

cscᎾ=17/15

Step-by-step explanation:

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The perimeter of a rectangular metal plate is 15 cm. Find the length of the rectangular plate (in decimals) whose width is 228 c

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The Solution.

Representing the problem in a diagram, we have

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$P=2(L+W)$

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Substituting these values in the formula above, we get

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Clearing the bracket, we get

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Dividing both sides by 2, we get