Question

sin 15 degrees + cos 15 degrees

Answer 1

Answer:

(√3-1) /2√2

Step-by-step explanation:

sin15° + cos15°

=sin(45-30)° + cos(45-30)°

= sin45°cos30° - cos45°sin30°

=1/√2 ×√3/2 - 1/√2×1/2

=(√3-1) / 2√2