What’s the equation of a circle with center 4,1 and radius 5

Mathematics

2 answers:

ivann1987 [24]3 years ago

5 0

Answer:

The equation would be (x-4)^2 + (y-1)^2 = 25

Paraphin [41]3 years ago

3 0

Answer:

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Step-by-step explanation:

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Show that the following statement is an identity by transforming the left side into the right side. sin θ (sec θ + csc θ) = tan

ExtremeBDS [4]

Answer:

Step-by-step explanation:

Required to prove that:

Sin θ(Sec θ + Cosec θ)= tan θ+1

Steps:

Recall sec θ= 1/cos θ and cosec θ=1/sin θ

Substitution into the Left Hand Side gives:

Sin θ(Sec θ + Cosec θ)

= Sin θ(1/cos θ + 1/sinθ )

Expanding the Brackets

=sinθ/cos θ + sinθ/sinθ

=tanθ+1 which is the Right Hand Side as required.

Note that from trigonometry sinθ/cosθ = tan θ

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3 years ago

On an English exam, a student can make one of four grades. 40 students who took the exam were randomly selected and surveyed abo

andrezito [222]

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Step-by-step explanation:fffffffff

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2 years ago

Hhh I’m very bad at math

barxatty [35]

Answer:

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Step-by-step explanation:

21 . Consider an exponential function;

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