Question

Someone PLEASE solve Nd Give This Sum​

Answer 1

$Sin 15°$

$Sin (45° - 30°)$

$(Sin45°Cos30° - Cos45°Sin30°)$

$(\frac{1}{√2} × \frac{√3}{2} - \frac{1}{√2} × \frac{1}{2})$

$(\frac{√3}{2√2} - \frac{1}{2√2})$

$(\frac{√3 - 1}{2√2})$

$Cos 15°$

$Cos(45° - 30°)$

$(Cos45°Cos30° + Sin45°Sin30°)$

$(\frac{1}{√2} × \frac{√3}{2} + \frac{1}{√2} × \frac{1}{2})$

$(\frac{√3}{2√2} + \frac{1}{2√2})$

$(\frac{√3 + 1}{2√2})$