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infinitexero1022
28.01.2021 •
Mathematics
Find the value of the function for θ.
sin(45°) = ?
A) 1/2
B) √2/2
C) √3/2
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Ответ:
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..
Ответ:
aye
Step-by-step explanation: