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More Trigonometric Identities

Problems

Problems

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More Trigonometric Identities

Problems

Problem 2.1: Use α = 30^o and β = 45^o to find the sine, cosine, and tangent of 75^o.

Problem 2.2: Use α = 135^o and β = 30^o to find the sine, cosine, and tangent of 105^o.

Problem 2.3: Express the following as a function of a single angle: sin(20^o)sin(30^o) + cos(20^o)cos(30^o).

Problem 2.4: Express the following as a function of a single angle:

Problem 2.5: Express the following as a function of a single angle: sin(340^o)cos(120^o) + cos(340^o)sin(120^o).

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