Respuesta :
tan(x) and sin(x) both negative in quadrant IV.
As we know that
- Sine and Cosecant are positive in quadrants I and II
- Tangent and Cotangent are positive in quadrants I and III
- Cosine and Secant are positive in quadrants I and IV
The various trigonometric functions are negative in the quadrants where they are not positive.
So, we have both the functions tan(x) and sin(x) negative in quadrant IV.
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