1

Problem

Determine value of \$3cos((2π) /4)\$.

2

Step

The given value is

\$3cos((2π) /4)\$

3

Step

Let’s simplify the expression:

\$3cos(π /2)\$

4

Hint

The cosine of \$π/2\$​ is 0.

5

Step

Therefore, the value of the expression is

\$3 \times 0\$

6

Step

After simplification:

0

7

Solution

So, the value of \$3cos⁡((2π)/4)\$ is 0.

8

Sumup

Please summarize Problem, Clue, Hint, Formula, Steps and Solution

Choices

9

Choice-A

The expression is incorrect as it results in 0, not 2, rendering it inaccurate

Wrong 2

10

Choice-B

This is correct because the value of the expression is indeed 0

Correct 0

11

Choice-C

This is not correct because the expression evaluates to 0, not - 2

Wrong -2

12

Choice-D

The statement is inaccurate; the expression yields 0, not 3, rendering it incorrect

Wrong 3

13

Step

Option

B

14

Sumup

Please summarize choices