Consider the chart to the right. What is the greatest single expense category? To the nearest degree, what is the central angle of that category's sector? Help please

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A: We can answer the question as below.

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A: Given  Point P(x,y) = (-5,12)

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A:

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A: Given,            The figure is shown below :

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A: To find: ∠G

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A: Note: Since you have posted a question with multiple sub-parts, we will solve the first three…

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A: We have to find the portion

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A: The given angle is  = - 210°

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A: The general equation of the circle is of the below mention form:

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Q: what is the circle

A: We are given that

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Trigonometric Identities

Trigonometry in mathematics deals with the right-angled triangle’s angles and sides. By trigonometric identities, we mean the identities we use whenever we need to express the various trigonometric functions in terms of an equation.

Inverse Trigonometric Functions

Inverse trigonometric functions are the inverse of normal trigonometric functions. Alternatively denoted as cyclometric or arcus functions, these inverse trigonometric functions exist to counter the basic trigonometric functions, such as sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant (cosec). When trigonometric ratios are calculated, the angular values can be calculated with the help of the inverse trigonometric functions.