What is the value of 780*sin(180) ?

Popular >

780*sin(180)

780 \cdot sin (18 0^{\circ})

0

Solution steps

780 sin (18 0^{\circ})

Use the following trivial identity:

sin (18 0^{\circ}) = 0

sin (18 0^{\circ})

sin (x)

periodicity table with

36 0^{\circ} n

cycle:

x 0 3 0^{\circ} 4 5^{\circ} 6 0^{\circ} 9 0^{\circ} 12 0^{\circ} 13 5^{\circ} 15 0^{\circ} sin (x) 0 \frac{1}{2} \frac{2}{2} \frac{3}{2} 1 \frac{3}{2} \frac{2}{2} \frac{1}{2} x 18 0^{\circ} 21 0^{\circ} 22 5^{\circ} 24 0^{\circ} 27 0^{\circ} 30 0^{\circ} 31 5^{\circ} 33 0^{\circ} sin (x) 0 - \frac{1}{2} - \frac{2}{2} - \frac{3}{2} - 1 - \frac{3}{2} - \frac{2}{2} - \frac{1}{2}

= 0

= 780 \cdot 0

Simplify

= 0

arccos (\frac{- 33}{65})

sin (22 \frac{1}{2})

2 cos (3 0^{\circ}) + sin (15 0^{\circ}) - tan (6 0^{\circ})

2 sin (\frac{3 π}{11}) cos (\frac{3 π}{11})

19.32 cos (48.650 3^{\circ})