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4 years ago

What are the ratios for sin A and cos A? The diagram is not drawn to scale.

Mathematics

2 answers:

vfiekz [6]4 years ago

8 0

Answer:

sin A = $\frac{15} {17}$ and cos A = $\frac{8}{17}$

Step-by-step explanation:

We are given a right angled triangle and we are to determine the ratios for sin A and cos A.

Sin is the ratio of perpendicular/hypotenuse while cos is the ratio of base/hypotenuse.

With respect to angle A, base = 8, perpendicular = 15 and hypotenuse = 17.

Therefore, $sin A = \frac{15}{17}$ and $cos A = \frac{8}{17}$ .

adoni [48]4 years ago

7 0

Answer:

sinA=15/17 and cosA=8/17

Step-by-step explanation:

sine is opposite side over hypotenuse and cosine is adjacent side over hypotenuse

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F(2)= -3 as a coordinate point?

kirza4 [7]

f(x) = y

f(2) = -3

Point = (x, y) = (2, -3)

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4 years ago

The first term of an arithmetic sequence is 5, and the tenth term is 13. Find the common difference

RideAnS [48]

Common difference d when The first term of an arithmetic sequence is 5, and the tenth term is 13 is $d=\frac{8}{9}$

Step-by-step explanation:

The first term a₁ = 5

The tenth term a₁₀ = 13

Find Common difference d=?

The formula used for arithmetic sequence is:

$a_{n}=a_{1}+(n-1)d$

where aₙ = nth term

a₁= 1st term

d= common difference

Finding d:

$a_{10}=a_{1}+(n-1)d\\Putting\,\,values\,\,a_{10}=13, a_{1}=5 and n=10\\13=5+(10-1)d\\13-5=9d\\8=9d\\d=\frac{8}{9}$

So, Common difference d when The first term of an arithmetic sequence is 5, and the tenth term is 13 is $d=\frac{8}{9}$

Keywords: arithmetic sequence

Learn more about arithmetic sequence at:

#learnwithBrainly

4 0

3 years ago

A group of 5 teachers bought 3 pens and 1 eraser each. Their total cost for all the materials was $12.89. If the eraser was $0.9

n200080 [17]

Answer:

$0.536

Step-by-step explanation:

Variable:

p for pen

Equation:

5(3p + 0.97) = 12.89

Solution:

5(3p + 0.97) = 12.89
15p + 4.85 = 12.89
15p = 12.89 - 4.85
15p = 8.04
p = 8.04 / 15
p = 0.536

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3 years ago

The radius of a quarter circle is 3 what is the quarter circle's perimeter?

slava [35]

Answer:

21.42

Step-by-step explanation:

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2 years ago

A sign language club made $627.50 from selling popcorn at a festival. The popcorn cost the club $95.00. Which expression represe

Vlad1618 [11]

C because you have to divide by m or the members because you are splitting it up or dividing it between the members. And you subtract 95 dollars becuase it was a cost or bill

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4 years ago

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