Rewrite with only sin x and cos x.
sin 3x
a)2 sin x cos2x + cos x
b)2 sin x cos2x + sin3x
c)sin x cos2x - sin3x + cos3x
d)2 cos2x sin x + sin x - 2 sin3x

If gases like carbon dioxide and methane make up less than 1% of the total atmosphere, why is it important for scientists to monitor changes in percentages of these gases?

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?

Which of the following is an example of motion in two dimensions?