Question

the value of sin l5° is​

Answer 1

Answer:

The simple method to find sin 15 degrees is:

Sin 15° = Sin (45 – 30)°

Sin (45-30)° = Sin 45° cos 30° – cos 45° sin 30°

Sin 15° = (1/√2)(√3/2)-(1/√2)(1/2)

Sin 15° = (√3/2√2)-(1/2√2)

Sin 15° = (√3–1)/2√2