from a point at the waters edge, a bridge arch 58 metres away has an angle of elevation of 5 degrees, and the top of a yacht mast 14 metres away has an angle of elevation of 12 degrees. what is the...

A heavy ball with a radius of 2.9 cm is dropped into the container. As a result the height of the water increases to h cm as shown. Find the value of h

An arborist wants to prune an oak tree that has grown too tall. The arborist takes a 15-foot ladder and places it on a horizontal surface on the ground so it leans against the tallest part of the...

in an experiment of determining to gravity is showing of 18 degree in the vertical plane is given to a simple pendulum of length 10 cm how much distance is required for the pendulum to freely.

John is trying to bring his new painting into the house but there is a problem: the door of the house is 5'7 tall and 2' wide; the painting is 5' 9' tall and 7'10 wide and if it is tilted more than...

also exact value of cos   95pi/6) and use this in the half angle identity for sine to find the exact value of sin(5pi/12)

1-2sin^2(x)/sec^2(x)=cos2xcos^2(x)

sec^2(x)/1-cos2x=csc^2(x)/1+cos2x