Sin8x=8sinxcosxcos2xcos4x

proving trig identity?

How to put 1+0.9+0.08+0.001 in word form

5 more than the product of 9 and 3

How many possible triangles for the following: A=85°; a=8cm; b=22cm 0 1 2 B and C

A garden has an area of 240ft^2. Its length is 14ft. More then it's width. What are the dimensions of the garden?

the height of a cone-shaped statue is 9ft, and the diameter is 12 ft. what is the approximate volume of the statue? Use 3.14 to approximate pi, and express your final answer as a decimal. Enter your answer in the box.

Which expression is equivalent to logc^x^2-1/5x?

What is the sum of the angles of an octagon?

7. Find the slope of the line through (-2,6) & (3,14).

Circular gears P and Q start rotating at the same time at constant speeds. Gear P makes 10 revolutions per minute and Gear Q makes 40 revolutions per minute.

A triangle with vertices (0, 1), (4, 1), and (1, 5) is reflected across the x-axis. What are the new vertices of the reflected triangle?