Question

( sin 30 Rightarrow frac{1}{2} Rightarrow 0.5 )
( sin 31 )
( sin 45 Rightarrow frac{1}{sqrt{2}} Rightarrow frac{1}{14} Rightarrow 0.7 )
( sin 31 rightarrow(70.5) )

# 1. The approximate value of sin 31° is – (a) > 0.5 (b) > 0.6 (c) <0.5 (d) <0.4

Solution