Hello,
cos 160°=-q
cos 20°=-cos 160°=q
sin 20°=√(1-q²)=sin 160°
tan -20°=tan 160=√(1-q²)/-q
cos 70°=sin 20°=√(1-q²)
Answer:
71
Step-by-step explanation:
8²=64
64+7=71
I hope this helps!
Is a collection of well defined and distinct objects.
Ex: ( A B C D E) all letters
Ex2: ( January, February, March, April) all months
Answer:
16%
Step-by-step explanation:
Blue = 6
Green = 7
Purple = 5
Red = 4
Orange = 3
25 Students in total
Probability of Red = 4/25
Or 16/100
16%
