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slavikrds [6]
3 years ago
11

If cot(theta)= 4/3, find csc(theta) (Picture provided)

Mathematics
2 answers:
kozerog [31]3 years ago
6 0

Answer:

D

Step-by-step explanation:

If \cot \theta=\dfrac{4}{3}, then we can consider right triangle with adjacent leg 4 un. and opposite leg 3 un.. By the Pythagorean theorem,

\text{hypotenuse}^2=\text{adjacent leg}^2+\text{opposite leg}^2,\\ \\\text{hypotenuse}^2=4^2+3^2,\\ \\\text{hypotenuse}^2=16+9,\\ \\\text{hypotenuse}^2=25,\\ \\\text{hypotenuse}=5\ un.

So,

\csc \theta=\dfrac{\text{hypotenuse}}{\text{opposite leg}}=\dfrac{5}{3}.

wolverine [178]3 years ago
5 0

Answer:

The correct answer is option d

Step-by-step explanation:

Trigonometric ratio

Cot θ = Adjacent side/Opposite side

It is given that,

Cot θ  = 4/3

Adjacent side = 4

Opposite side = 3

Csc θ = Hypotenuse/Opposite side

<u>To find the Hypotenuse </u>

Hypotenuse² = Opposite side² + Adjacent side ² = 3²+ 4²

Hypotenuse = √(3²+ 4²) = 5

<u>To find Csc θ </u>

Csc θ = Hypotenuse/Opposite side = 5/3

The correct answer is option d

Csc θ = 5/3

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