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Pro Problems > Math > Algebra > Functions > Trigonometry

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Solve the problem involving an isosceles triangle embedded in a right triangle
Fractional sine, cosine, and tangent functions, in terms of the variable a
Simplify the trigonometric expression shown in the trig problem
Simplify this fourth degree trigonometric expression involving functions of 15 degrees
Find the cosine of the given angle, based on information provided on three component angles
Calculate the cos(2A), given information about angle A and a sum of angles equation
Triangle ABC has sides of given lengths. Find the area of the triangle
A problem involving a single trigonometry equation with sine and cosine

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Rational Sin Cos Tan, Sine and Cosine, Trig Simplification

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