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ser-zykov [4K]
3 years ago
12

Find the value for the side marked below.

Mathematics
1 answer:
lions [1.4K]3 years ago
6 0

Answer:

y = 189.8

Step-by-step explanation:

Apply trigonometric function to find y.

Reference angle (θ) = 50°

Adjacent side = 122

Hypotenuse = y

Apply CAH, since the Hypotenuse and the Adjacent are involved.

Thus:

Cos θ = Adj/Hypo

Plug in the values

Cos 50° = 122/y

y*Cos 50° = 122

y = 122/cos 50°

y = 189.8 (beater tenth)

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A quadratic function is given by ax² +bx+c = f(x)

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The zeroes of the function will be given by

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