Trigonometry Examples

$\sin (a) > 0 \sec (a) > 0$

Step 1

Multiply $0$ by $\sec (a)$ .

$\sin (a) > 0 > 0$

Step 2

Use the inequality $\sin (a) > 0 > 0$ to build the set notation.

${a | \sin (a) > 0 > 0}$

Step 3