Question

use a calculator to find the approximate value of the expression. round the answer to two decimal places. the sine of the complementary angle of 34°. a. -0.52 b. 0.83 c. 0.97 d. -0.66 please select the best answer from the choices provided

Explanation:

Step1: Find complementary angle

The complementary angle of $34^{\circ}$ is $90^{\circ}- 34^{\circ}=56^{\circ}$.

Step2: Calculate sine value

Using a calculator, $\sin(56^{\circ})\approx0.83$.

Answer:

B. 0.83