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garri49 [273]
3 years ago
9

Find the value of the function for θ. sin(45°) = ? A) 1/2 B) √2/2 C) √3/2

Mathematics
2 answers:
Marysya12 [62]3 years ago
8 0
The correct answer is B
Darya [45]3 years ago
3 0

Answer:

B) radical2/2

Step-by-step explanation:

To find the answer, you can A., either type this in a calculator, or B., use the unit circle.

When we observe the unit circle, we can see that the 45* angle is in Quadrant 1, and that the matching radian is pi/4, and the corresponding coordinates are (radical2/2, radical2/2).

So, sin(45*) is B) radical2/2.

Note that sin(θ) means the y-value of the angle's coordinates, cos(θ) normally means the x-value of the angle's coordinates..

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2 years ago
A circular plate has circumference 21.4 inches. What is the area of this​ plate? Use 3.14 for pi.
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