Answer:
Step 1:
✔ Cofunction identity
Step 5:
✔ Sine difference identity
Step 6:
✔ Cofunction Identity
Step 7:
✔ Cosine function is even, sine function is odd.
Step-by-step explanation:
Answer:
<em>x</em> = Total meal cost
<em>y</em> = Total cost-plus tip
113% * <em>x</em> = <em>y</em>
Answer:
$350
Step-by-step explanation:
w +d = 763
d + 63 = w
-w + d = -63
2d = 700
d = 350
Answer:
763
Step-by-step explanation:
3/4 x pi x 18^2 = 763.407