Question

Find the value of x if tan3x = sin45 cos45 +sin30

Answer 1

Answer:

x=15

Explanation:

1. tan3x=1/√2×1/√2+1/2
2. tan3x=1/2+1/2
3. tan3×=1
4. tan3x=tan45
5. 3x=45
6. x=15

Answer 2

Answer:

Answer:

x=15

Explanation:

• tan3x=1/√2×1/√2+1/2

• tan3x=1/2+1/2
• tan3×=1

• tan3x=tan45

• 3x=45

• x=15