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3 years ago

If sin y° = 7 over q and tan y° = 7 over r, what is the value of sec y°?

Mathematics

1 answer:

Tomtit [17]3 years ago

3 0

Answer:

Sec y = q/r

Step-by-step explanation:

Sin y = 7/q

tan y = 7/r

Mathematically cos y = sin y/tan y

But sec y = 1/cos y

So therefore sec y = tan y/sin y

So that would be ;

7/r divided by 7/q

= 7/r * q/7

= q/r

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3 years ago

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3 years ago

Read 2 more answers

The east side of Mrs. Hammond's ranch is 455 meters longer than the west side. The west side is 2.7 kilometers long. The east si

Sati [7]

Answer:

$x = 455 +y$

And we know that the value for the west side is $y = 2.7 Km = 2700m$

So then if we solve for x from the last equation we got:

$x= 455+2700 m = 3155m$

So then the east side is about $3155 m *\frac{1Km}{1000m}= 3.155 km$ long

Step-by-step explanation:

For this problem we know that the east side of Mrs. Hammond's ranch is 455 meters longer than the west side. Let's say that the east side is x and the west is y so we have this formula:

$x = 455 +y$

And we know that the value for the west side is $y = 2.7 Km = 2700m$

So then if we solve for x from the last equation we got:

$x= 455+2700 m = 3155m$

So then the east side is about $3155 m *\frac{1Km}{1000m}= 3.155 km$ long

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2 years ago