Answer:
Sin0 = 25/43
cot0 = 7/5
csc0 = 43/35
Step-by-step explanation:
X^2 = 5^2 + 7^2
X^2 = 25 +49
X^2 = 74
X = sqrt (74) = 8.6
Opp = 5
Adj = 7
Hypo = 8.6
sin0 = opp/Hypo = 5/8.6
Sin0 = 50/86 = 25/43
cot0 = 1/tan0 = adj/opp
csc0 = 1/cos0 = hypo/adj
csc0 = 8.6/7 = 86/70 = 43/35
1 hour
Because 3 - 2 = 1.
Therefore, 1 hour only.
2.7
x^2=5.8*1.3=7.54
x=V7.54=2.7
6
4
-12x^3 + 28x^2