Trigonometrymedium · Past Paper
Value of sin 105° is same as:
Asin 75°
Bcos 15°
C(√3 + 1) / 2√2
DAll of the above
✓ Correct Answer: D — All of the above
sin 105 = sin(180-75) = sin 75; sin 75 = cos(90-75) = cos 15. The numerical value is (√3+1)/2√2.
Share this question