Practicing Success
Practicing Success
CUET Preparation Today
If tan 2x = cot(2x - 30°) find the value of sin3x. |
\(\frac{1}{\sqrt {2}}\) -1 0 1 |
1 |
If tan 2x = cot(30°+2x) (2x - 30° + 2x)=90° 4x = 120° x = 30° Now, sin 3x=sin3 × 30° sin90° = 1 |
