What properties of dilations and rigid transformations define similarity?
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Answer:
The cosine of an angle is the ratio of the length of the leg adjacent to the angle to the length of the hypotenuse.
Step-by-step explanation:
- In a right angled triangle, the cosine of an angle is the length of the adjacent side divided by the length of the hypotenuse.
- Also it is the sine of the complementary angle.
- The abbreviation is cos
- The longest side of the triangle is called the hypotenuse,
- The side opposite the angle theta is called the opposite side,
- The third side is called the adjacent side.
- Therefore,