Answer:
Step-by-step explanation:
Several trig identities are involved in the proof of this. This is the order in which they are used.
- cos(2x) = cos²(x) -sin²(x)
- cos²(x) +sin²(x) = 1
- cos(x) = 1/sec(x)
<h3>Proof</h3>
Starting with the left side, we can transform it into the right side.
Answer:
P (10,2)=90
Step-by-step explanation:
(happy to help)
Answer:
$140
Step-by-step explanation:
Orignal Price: $200
200 x 0.3
= 60
200 - 60
= 140
Radius=8/2=4cm
volume=4*4*3.14*20=1004.8
The answer is 1004.8cm₃
Four plus the absolute value of twenty-seven minus ten