Where in the range [-6, 6] is f(x) = 3x - 8cos(x) increasing and decreasing?

DERIVATIVES OF TRIG FUNCTIONS WORKSHEET Differentiate the given function. 1) h(x) = 4cos(x) + sin(x) 2) f(x) = 8sec(x)csc(x) h(x ) = - 1+ cos(x) 4 sin(x) 3) 1 - sin(x) 4) x' +1 sec(t) h(t) = - 5) f(t) = 3 - to tan(t) 6) 1 + 9 tan(t) 7) Find the equation of the tangent line to f(x) = xsec(x) at x = 25. 8) Where in the range [-6, 6] is f(x) = 3x - 8cos(x) increasing and decreasing