Find the exact value of each expression.

1. sin 50° cos 40° + sin 40° cos 50°
2. (tan pi/3 + tan pi/6) / (1- tan pi/3 tan pi/6)

Find the pattern and use it to list the nth term in the sequence. 6, 12, 20, 30, 42, 56, the nth term of the sequence is

The first side of a triangle measures 5 in less than the second side, the third side is 3 in more than the first side, and the perimeter is 17 in. how long is the third side? if s represents the length of the second side, which of the following represents the length of the third side? s-5 ws-2 s+ 3 next question ask for turn it in

Find the amplitude of a sinusoidal function that models this temperature variation