<span> b
(2a + (2 • —)) - 5c = 0
</span>
Answer:
3√15/4
Step-by-step explanation:
sin x = 2/8
- from the trigonometric rule sin²x+cos²x = 1
- cos²x = 1-sin²x
sinx = 2/8
sin²x = (2/8)² = 2²/8² = 4/64
1- sin²x = 1-4/64 = 64 -4/64 = 60/64 = 15/16
cos x = √(15/16) = √15 /4
3 x cos x = 3 x √15/4 = 3√15/4
<span>164+56-[3+4+1]=
= 164 + 56 - 8
= 212
Have a nice days...........</span>
Answer:
1. 3/8
2.2/3
That’s the answer. I’m positive!!
<span>Because if you divide 24/6 you get 4 which is a whole number and rational</span>