Trigonometry

Learning Target 02: I can state the Law of Cosines. I can use the Law of Cosines to solve triangles. For each of the following, solve the triangle, finding all the missing sides and angles. If more than one triangle is possible, solve BOTH triangles. 1. a 2.5, b = 1.8, c = 0.9 2. A = 120°, b = 6, c = 7

How many zeros does the derivative of the function f (x) = e^x / x-1 have?

Find x so that the tangent line drawn to the function y = In( x² +1 / x + 1 ) is horizontal.

Find x so that function f (x) = lg (√x² – 12x +11) is defined.

Find the functions f(x) = (3+2x²)^2/3 derivative's value when x=1.

Find the derivatives of the functions a) f(x) = sin^4(4x) b) g(x) = cos³ (3x) c) h(x) = tan² (2x)

Find the value of the functions f(x) = x² sin (2.r) derivative when x = 2.

For a certain arithmetic series, the 3rd term is 16 and the sum of the first 25 terms is 2150. Find the 14th term of the series. (An algebraic solution is required)

Solve the equation 2 sin (z)-tan (x) + 5 sin(x) = -2 cos (x).

Trigonometry & Exponential models Find the zeros of the functions h (x) = 42³ (2² — 18) derivative.