Solution: What are the values of sin B and cos B in the 4th quadrant?

Angles are measured from the positive horizontal axis, and the positive direction is counter clockwise. What are the values of sin B and cos B in the 4th quadrant?

What are the values of sin B and cos B in the 4th quadrant?

Problem Statement: ME Board October 1996

Angles are measured from the positive horizontal axis, and the positive direction is counter clockwise. What are the values of sin B and cos B in the 4th quadrant?

Problem Answer:

The values are sin B < 0 and cos B > 0

Solution:

Online Questions and Answers in Plane Trigonometry Problems


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