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Cuisine123
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Homework Statement
Find the maximum and minimum values of 4cos[tex]\theta[/tex]-3sin[tex]\theta[/tex].
Homework Equations
I have no idea.
The Attempt at a Solution
I have no idea how to do this question
Please help me!
= 5[(4/5)cos - (3/5)sin]
4cos-3sin
Trigonometry is a branch of mathematics that deals with the relationships between the sides and angles of triangles. It is used to solve problems involving right triangles and can also be applied to other shapes and objects in space.
Finding the maximum and minimum values in Trigonometry is important because it helps us understand the behavior of a function or equation. It allows us to determine the highest and lowest points on a graph and can be used to optimize real-world problems.
To find the maximum and minimum values in Trigonometry, you must first find the derivative of the function or equation. Then, set the derivative equal to zero and solve for the variable. The resulting value will be the x-coordinate of the maximum or minimum point. Plug this value back into the original function to find the y-coordinate.
Sure, let's say we have the function f(x) = 2sin(x). To find the maximum and minimum values, we first find the derivative, which is f'(x) = 2cos(x). We set this equal to zero and solve, giving us x = π/2 as the critical point. Plugging this back into the original function, we get the maximum value of f(π/2) = 2. To find the minimum value, we can use the first derivative test and check the values on either side of the critical point. Since f'(0) = 2 and f'(π) = -2, we can conclude that the minimum value is f(π) = -2.
Finding the maximum and minimum values in Trigonometry can be applied to various fields such as engineering, physics, and economics. For example, it can be used to optimize the trajectory of a projectile or to find the most efficient way to pack items in a container. In economics, it can be used to determine the highest and lowest points of a profit or cost function.