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Need help on specific trigonometry topics? Dive into concepts like angles, inverse trigonomic functions and more! Our concept guides will help you learn the basics needed to complete your homework assignments or study for your next computer science exam.

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An angle is a figure in plane geometry formed by two rays or lines that share a common endpoint which is the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.
Complex Number
Complex numbers are a combination of a real number and an imaginary number. They are numbers of the form a + b where a and b are real numbers and i is an imaginary unit. Complex numbers are an extended idea of one-dimensional number line to two-dimensional complex plane.
A function is an expression, rule, or law that gives the relationship between an independent variable and dependent variable. Some important types of functions are injective function, surjective function, polynomial function, and inverse function.
A triangle is a polygon with three sides, three angles, and three vertices. Based on the properties of each side, the types of triangles are scalene, isosceles, and equilateral and based on angles the types of triangles are acute, obtuse, and right.
Trigonometric Identities
Trigonometric identities are equations that give the relation between different trigonometric functions and are true for any value of the variable for the domain. Sine, cosine, and tangent are the primary trigonometric functions whereas cotangent, secant and cotangent are other three trigonometry functions.
Vectors (also called as Euclidean vectors or spatial vectors) are quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force.
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