What is the exact value of sin -840
1 answer:
First subtract 2 revolutions from the - 840 :- (- (840-720) = -120
This gives sin -120 which is in the 3rd quadrant of the unit circle
sin -120 = - sin 60 = - sqrt3/2
You might be interested in
Answer:
1/64
Step-by-step explanation:
Volume of cube = length^3 = (1/4)^3= 1/64
Answer:
33/4
Step-by-step explanation:
Answer:
7(2f-3)
No step-by-step explanation.Sorry!
Answer:
x = 11
Step-by-step explanation:
- Vertically opposite angles are equal
- Angles around a point add up to 360°
Therefore, 
So 0.16 is also equal to 16/100 so, just draw 100 squares and shade 16 of em'
