### Home > CALC > Chapter 1 > Lesson 1.3.1 > Problem 1-104

1-104.

In which quadrant of the unit circle is sine negative and tangent positive?

Refer to the hint in part (a). And recall that cotangent is the reciprocal of tangent.

For cot*x* to be undefined, its denominator must equal 0.

Refer to the hint in part (a). And recall that cosecant is the reciprocal of sine.