CUET Preparation Today
If tanx = cot(45°+2x) find the value of sin3x. |
\(\frac{1}{2}\) 1 \(\frac{1}{\sqrt {2}}\) \(\frac{\sqrt {3}}{2}\) |
\(\frac{1}{\sqrt {2}}\) |
If tanx = cot(45°+2x) (x+45°+2x)=90° 3x=45 x=15 Now, sin3x=sin3×15 =\(\frac{1}{\sqrt {2}}\) |
