Trigonometría Ejemplos

$\csc (270)$

Paso 1

Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because cosecant is negative in the third quadrant.

$- \csc (90)$

Paso 2

El valor exacto de $\csc (90)$ es $1$ .

$- 1 \cdot 1$

Paso 3

Multiplica $- 1$ por $1$ .

$- 1$