What’s is the constant of proportionality in the equation y=5/4x

Mathematics

1 answer:

marshall27 [118]3 years ago

7 0

5/4 is the constant of proportionality

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If sine of x equals square root of 2 over 2, what is cos(x) and tan(x)? Explain your steps in complete sentences.

kolbaska11 [484]

Sin x = square root (2) / 2

In order for us to get for cos x and tan x, first we need to know what
Hypotenuse, Adjacent, and Opposite sides.

sin x = opposite / hypotenuse.

adjacent = square root (hypotenuse^2 - opposite^2)
adjacent = square root (2^2 - square root(2)^2)
adjacent = square root (4 - 2)
adjacent = square root (2)

cos x = adjacent / hypotenuse
tan x = opposite / adjacent..

cos x = square root (2) / 2
tan x = square root (2) / square root (2) = 1

So, cos x = square root (2) / 2 and tan x = 1

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