Math Problem Statement
Jika f(x) = (1 – 4x) cos (x + π/4) dan f'(x) adalah turunan pertama dari fungsi f(x), maka nilai dari f'(π/4) adalah ….
Solution
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Calculus
Derivatives
Product Rule
Trigonometry
Formulas
f(x) = u(x) * v(x)
f'(x) = u'(x)v(x) + u(x)v'(x)
u'(x) = -4
v'(x) = -sin(x + π/4)
Theorems
Product Rule
Chain Rule
Suitable Grade Level
Grades 11-12 (Advanced Calculus)
Related Recommendation
Derivative of f(x) = (1 - 4x) cos(x + π/4) and Evaluating f'(π/4)
Derivative of g(x) and h(x) Using Product and Quotient Rules with Trigonometric Functions
Derivative of 2sin(πk(x)) using Chain Rule
Derivative of f(x) = (2 - x^2)/(4 + x^2) Using Quotient Rule and Evaluating f′(1)
Derivative of f(x) = 1/x * cos(x) Using the Product Rule