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irakobra [83]
3 years ago
13

Graph f(x) = 3sin (1/2x) −5​. Use 3.14 for π.

Mathematics
1 answer:
Naily [24]3 years ago
5 0

Hello from MrBillDoesMath!

Answer:

See discussion below


Discussion:

See attachment. Note that sine function has amplitude 3 and period 4 Pi.


Thank you,

MrB

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step by step explanation

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Liono4ka [1.6K]

Answer:

<h2>3.6°</h2>

Step-by-step explanation:

The question is incomplete. Here is the complete question.

Find the angle between the given vectors to the nearest tenth of a degree.

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we will be using the formula below to calculate the angle between the two vectors;

u*v = |u||v| cos \theta

\theta is the angle between the two vectors.

u = 8i + 7j and v = 9i+7j

u*v = (8i + 7j )*(9i + 7j )

u*v = 8(9) + 7(7)

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|u| = √8²+7²

|u| = √64+49

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|v| = √9²+7²

|v| = √81+49

|v| = √130

Substituting the values into the formula;

121= √113*√130 cos θ

cos θ = 121/121.20

cos θ = 0.998

θ = cos⁻¹0.998

θ = 3.6° (to nearest tenth)

Hence, the angle between the given vectors is 3.6°

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Answer:

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Step-by-step explanation:

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3 years ago
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