Give the Sign of the Three Trigonometric Functions of the Vector

question 8

Multiple Choice

Give the sign of the three trigonometric functions of the vector with the endpoint (0, 5) .

• A)sine, negative; cosine, positive; tangent, positive
• B)sine, positive; cosine, negative; tangent, positive
• C)sine, positive; cosine, zero; tangent, undefined
• D)sine, zero; cosine, positive; tangent, zero

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Definitions:

Condensation Polymer

A type of polymer formed by the reaction of monomer molecules, where each reaction results in the elimination of a small molecule, such as water.

Dacron

A registered trademark for a polyester fiber that is durable, resistant to stretching and shrinking, and used in textiles.

Addition Polymer

A polymer formed by the sequential addition of monomer molecules with unsaturated bonds, without the loss of any molecule or atom.

Condensation Polymer

A type of polymer formed by the reaction of two monomers with the release of a small molecule, often water, in the process.