AnswersS1S-OC Pre-Calculus B E3710 - AGPerformance Task: Trigonometric Identities

Performance Task: Trigonometric Identities Answers

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How can the vector in the graph be described?

A
The magnitude is , and the direction angle is about 34°.
B
The magnitude is , and the direction angle is about 146°.
C
The magnitude is , and direction angle is about 34°.
D
The magnitude is , and the direction angle is about 146°.
4

If is multiplied by the scalar –10, the new vector will be the original vector.

A
in the same direction but longer than
B
in the opposite direction but longer than
C
in the same direction but shorter than
6

The component form of is .

A
7, 4
B
7, 14
C
– 3, 4
D
– 3, 14

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Performance Task: Trigonometric Identities…