Sin (Π/2 - theta) = sin(Π/2) * cos(theta) - cos(Π/2) * sin (theta)
and as we know sin(Π/2) =1 , cos(Π/2)=0
so sin(Π/2 - theta) = 1* cos(theta) - 0* sin(theta)= cos(theta)
2nd cos(180+ theta) = cos(180)*cos(theta) - sin(180)* sin(theta)
,,, so , cos(180+theta) = -cos(theta)
Answer:
104v
Step-by-step explanation:
Step-by-step explanation:
A = P*e*r*t
P = 1,000
e = 2.71828
r = 0.09
t = 1
A = (1,000)*(2.71828)*(0.09)*(1)
A = 244.65