find the value of sin 15°
Answers
Answered by
12
Answer:
sin 15° = (√3−1)/2√2
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Answered by
9
Answer:
sin15° = (√3-1) / (2√2)
= 0.2588190451
Step-by-step explanation:
Sin15° = sin(45° - 30°)
= sin 45°. Cos30° - cos45°. sin30° ( trigonometric function of difference of angles)
=( 1/√2)*(√3/2) - (1/√2)*(1/2)
= √3/(2√2) - 1/(2√2)
= (√3-1) / (2√2)
= sin15° = (√3-1) / (2√2)
= 0.2588190451
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