Without using a calculator, compute the sine and cosine of 7π/4 by using the reference angle. What is the reference angle? ____?___ radians. In what quadrant is this angle? ____?___ (answer 1, 2, 3, or 4) sin(7π/4)=__?___ cos(7π/4)= ___?___
Without using a calculator, compute the sine and cosine of 7π/4 by using the reference angle. What is the reference angle? ____?___ radians. In what quadrant is this angle? ____?___ (answer 1, 2, 3, or 4) sin(7π/4)=__?___ cos(7π/4)= ___?___
Without using a calculator, compute the sine and cosine of 7π/4 by using the reference angle. What is the reference angle? ____?___ radians. In what quadrant is this angle? ____?___ (answer 1, 2, 3, or 4) sin(7π/4)=__?___ cos(7π/4)= ___?___
Without using a calculator, compute the sine and cosine of 7π/4 by using the reference angle.
What is the reference angle? ____?___ radians.
In what quadrant is this angle? ____?___ (answer 1, 2, 3, or 4)
sin(7π/4)=__?___
cos(7π/4)= ___?___
Without using a calculator, compute the sine and cosine of 315degrees by using the reference angle.
What is the reference angle? ____?___ radians.
In what quadrant is this angle? ____?___ (answer 1, 2, 3, or 4)
sin(315degrees)=__?___
cos(315degrees)= ___?___
Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.
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