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PtichkaEL [24]
3 years ago
11

Find values of sine cosine tangent for

Mathematics
2 answers:
shtirl [24]3 years ago
7 0

Answer:

a on Find the values of the sine, cosine, and tangent for 2020

Step-by-step explanation:

slava [35]3 years ago
6 0

Answer:

The correct answer is option a

Sin A = 2√13/13

Cos A  = 3√13/13

Tan A = 2/3

Step-by-step explanation:

From the figure we can see that,a right angled triangle.

ΔABC

<u>To find side AB </u>

AB = √(AC)² + (BC)² =√(36² - 24² )= √1872

AC = 12√13

<u> To find the trigonometric ratio </u>

Sin A = BC/AB = 24/12√13  = 2√13/13

Cos A = AC/AB = 36/ 12√13  = 3√13/13

Tan A = BC/AC = 24/36 = 2/3

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tresset_1 [31]

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2. B

Step-by-step explanation:

1. Looking at the line, let's try to establish a relationship between x and y. Take one point (12, 80) and divide y by x:

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Similarly, if we take (3, 20), we get the same relationship:

20 / 3 = 20 / 3

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B. (15, 100)  ⇒  100 / 15 = 20 / 3 --- correct

C. (16, 100)  ⇒  100 / 16 = 25 / 4 --- wrong

D. (16, 120)  ⇒  120 / 16 = 15 / 2 --- wrong

E. (18, 120)  ⇒  120 / 18 = 20 / 3 --- correct

The possible answers are B and E.

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A. (3, 5)  ⇒  5 isn't a multiple of 3, so wrong.

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D. (2, 3)  ⇒  3 isn't even the x-coordinate, so wrong.

The correct answer is thus B.

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2 years ago
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