I believe the answer could be A
The sine is positive in second quadrant so sin 20 = sin (180-20) = sin 160.
The sine is negative in the third quadrant so sin (180+20) = -sin 20
so sin 20 = - sin 200
The sine is negative in fourth quadrant so sin 340 = -sin 20 and sin 20 = - sin 340.
Answer:
3/10
Step-by-step explanation:
u divide the fractions and u got a decimal I change the decimal and got 3 so I changed it to a fraction and got 3/10
Answer:false
Step-by-step explanation:
5-3=2 7-8 you can't do so it's false
