Expand the left side using the angle sum identity for sine:
sin(<em>x</em> + <em>π</em>/2) = sin(<em>x</em>) cos(<em>π</em>/2) + cos(<em>x</em>) sin(<em>π</em>/2)
cos(<em>π</em>/2) = 0 and sin(<em>π</em>/2) = 1, so the right side reduces to
sin(<em>x</em> + <em>π</em>/2) = cos(<em>x</em>)
as required.
A .1
D .2
B .3
D .4
this is very simple i hope i helped you today
Answer:
idfk Imao
Step-by-step explanation:
try working on drawing it out and then finding the with x hype
The probability that the first one is red is: 4/9
The probability of the second one is blue is: 2/9
D. f(x)= x*-9x^o+2x^2-4x+10
