Trigonmetry
sin (pi)
0
arccos (0)
90 degrees
arcsin (-1/2)
-pi/6
e^x + 5 = 66
x = 4.111
Describe the amplitude for the following trigonometric function: f(x)=2sin(x+2)-1
2
Prove the following identity: (sec^2 x - 1) / (sec^2 x) = sin^2 x
From LHS: 1. Use Reciprocal identity 2. Use Pythagorean identity
3/2 or 1.5