Trigonometric Ratios Answers

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1
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3

Why are the values for sine and cosine equal at 45°?

A
All three of the side lengths of the triangle are 1.
B
The length of the side opposite the 45° angle equals 1.
C
The length of the side opposite the 45° angle is twice the length of the side adjacent to the 45° angle.
D
The length of the side opposite the 45° angle equals the length of the side adjacent to the 45° angle.
4

Which statements are true regarding the diagram? Check all that apply.

A
The side opposite the 60° angle has a length of
Option A
B
The side opposite the 60° angle has a length of .
Option B
C
sin(60°) =
Option C
D
sin(60°) =
Option D
E
The other acute angle of the triangle is 30°.
5

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