Solve: cos^{2}x-sin^{2}x+sinx=0 Solve: 1 - 2 \cos^{2}x = \frac{ \tan^{2} x - 1}{ \tan^{2} x + 1} What is 1 - cos^2(x) equal to? How do you verify that cos^2(x) - sin^2(x) = 1 - 2sin^2(x)?
Simplify the following: (cos(x))/(1 + sin(x)) + (cos(x))/(1 - sin(x)) How does 0 = cosx - sinx simplify to 1 - tan x? Simplify (cosx)/(1-sinx) How do you verify sin(x) / (1 - cos(x)) + (1 - cos(x)) / sin(x) = 2csc(x)? Simplify the trigonometric expre...
How do you prove cos(x) / (1 - sin(x)) = sec(x) + tan(x)? How do you simplify cot(x) - tan(x)? Prove the following identity. secx+tanx=cosx/1-sinx Prove this identity: (cosx/1+sinx)-(1-sinx/cosx)=0 Prove the identity. sin(x - pi) = -sin(x). ...
explain why the Sine of pi/6 and the cosine of pi/3 both equal to 1/2 . How do you solve cos(x) + cos(3x) = 0? How do you solve for x if cos(x) = 2/3? How do you solve cos(x) = 24/25? How do you solve cos(x) = 2cos^3(x)? What is the value...
Show that the following equations either are exact or can be made exact, and solve them: (a) y(2x^2y^2 + 1)y' + x(y^4 + 1) = 0; (b) 2xy' + 3x + y = 0; (c) (cos^2 x + y sin 2x)y' + y^2 = 0. Prove that both sides are equivalent ...
Can a uniform graph have a curve? Or does it always have to be straight? For the function f ( x ) shown below. Find the definite integral ? 6 0 f ( x ) d x . Consider the following function. f(x) = xln(3x), a = 1, n = 3, 0.8...
To prove the given trigonometric equation, we will be rewriting the left side by substituting {eq}\dfrac{\sin(x)}{\cos(x)} {/eq} to {eq}\tan(x) {/eq}. Then, to obtain the form of the right side, reduce the expression and utilize identities if required...
How to graph sin when the period does not contain pi ? f(x) = 6 sin x (a) Find the x-intercepts of the graph of f on the interval [-2\pi,4\pi] (b) Graph f(x) = 6 sin x on the interval [-2\pi,4\pi] (c) Solve (x) = -...
The given function f(x) is the product of two different functions and we need to compute the critical points. The process of finding out the critical point is to compute the derivative and set it equal to zero. To solve the given kind of problem, we n...