Question

Use a calculator to find the value of Sin 21°

Round to four decimal places.

A. 0.3839
B. 0.3584
C. 0.9336
D. 2.7904

Answer 1

The answer is;

B. 03584

Answer 2

Option B is the correct answer.

Explanation:

We need to find the value of Sin 21° using calculator and round to four decimal places.

Using calculator

Sin 21° = 0.358367949

Rounding the value of Sin 21° to four decimal places.

Sin 21° = 0.3584

Option B is the correct answer.