What are the sine and cosine ratios for a 30°-60°-90° triangle with a hypotenuse of 6, when theta equals 60°? Possible answers are in the picture above.

What are the sine and cosine ratios for a 30°-60°-90° triangle with a hypotenuse of 6, when theta e

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Ответ:

mia2286

14.01.2021

Mathematics

y=1

Step-by-step explanation:

The correct table that shows the direct variation is:

5 6 y 9

15 18 3 27

Since this is a direct variation, there is a proportional relation.

Therefore: $\frac{27-15}{9-5}=\frac{3-15}{y-5}$

This implies that:

$\frac{12}{4}=\frac{-12}{y-5}$

$3=\frac{-12}{y-5}$

$y-5=\frac{-12}{3}$

y-5=-4

y=5-4=1

Therefore the value of y is 1

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What are the sine and cosine ratios for a 30°-60°-90° triangle with a hypotenuse of 6, when theta equals 60°? Possible answers are in the picture above.​