Answer:
see explanation
Step-by-step explanation:
using the cofunction identity
sin x = cos(90 - x), hence
sin75° = cos(90 - 75)° = cos15°
Answer:
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Step-by-step explanation:
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Answer: 22.02
Step-by-step explanation:
Answer:
see attached
Step-by-step explanation:
This is asking you to recognize the symbols used to designate a point, line segment, ray, angle, line, and plane.
The point is designated by its letter.
A line segment is designated by the letters of its endpoints, with an overline.
A ray is designated by the endpoint and a point on the ray. The endpoint is listed first. The letters have an arrow over them pointing in the direction from the endpoint.
An angle is designated using the symbol ∠. If three letters are used to identify the angle, the middle one is the vertex.
A line is designated using its name, or by the letters of two points on the line. If the letters are used, there may be a double-ended arrow over them.
A plane is designated by 3 non-collinear points, for example, "plane ABC". It may also be designated by the name of the plane.
Wouldn't all of it be the answer? cause the domain of the equation is x∈R so any real number is fine