Trigonometric Equations and Indentities: Real-World Examples

High School
Geometry
Trigonometry
Trigonometric equations and identities

Recent questions in Trigonometric equations and identities

floymdiT 2021-02-25

If $\cos x = - \frac{12}{13} and \csc x < 0$ ,
find $\cot (2 x)$

Bergen 2021-02-25

$\cos 360 + \cos 234 + \cos 162 + \cos 18 =$ ?
Note - numbers are in degree.

sodni3 2021-02-25

Find every angle theta with $0 \leq θ \leq 2 π r a d i a n s, a n d 2 \sin^{2} (θ) + \cos (θ) = 2$

Wierzycaz 2021-02-23

Prove that: $1 + \frac{\cos x}{1} - \cos x = \frac{\tan^{2} x}{{(\sec x - 1)}^{2}}$

Rui Baldwin 2021-02-21

Multiply and simplify: $\frac{(\sin θ + \cos θ) (\sin θ + \cos θ) - 1}{\sin θ \cos θ}$

smileycellist2 2021-02-21

Solve the equation $\frac{\cot (x) - \tan (x)}{(\cot^{2} (x) - \tan^{2} (x)} = \sin x \cos x$

pancha3 2021-02-15

[Triangle]
Find sin 1),sin #,cos 1), and cos &. Write each answer as a fraction in simplest form.

Jaya Legge 2021-02-15

Prove that $\frac{\cos A - \cos B}{\sin A + \sin B} = \frac{\sin B - \sin A}{\cos A + \cos B}$

alesterp 2021-02-13

What is the solution of $\cos 2 x - \cos x = 0 in the interval [0, 2 π)$ ?

Caelan 2021-02-11

Find the general solution to $\cos 2 x = - \cos x$

Dolly Robinson 2021-02-11

Verify the identity $\sec x - \sec x \sin^{2} x = \cos x$

slaggingV 2021-02-08

Solve each equation, giving all solutions (general solutions), $\tan^{5} (3 x) = 9 \tan (3 x)$

ka1leE 2021-02-05

Solve $\cot^{2} θ - \cos^{2} θ$

Jerold 2021-02-01

Solve the equation $\sin θ \cot θ = \cos θ$

Tammy Todd 2021-01-31

Solve: $\sin 37 \cos 7 - \cos 37 \sin 7$

Ramsey 2021-01-31

Solve the equation $\tan x + \cot y \tan x \cot x = \tan y + \cot x$

hexacordoK 2021-01-28

Prove $\frac{(\csc x - \cot x) (\csc x + \cot x)}{\sec x} = \cos x$

permaneceerc 2021-01-28

Verify the identity $\frac{\cos x}{1} - \sin x - \tan x = \frac{1}{\cos x}$

The majority of students do not like Trigonometry because they find all the questions and equations overly complex. Do not let it frighten you because we have lots of answers that will help you achieve solutions by turning to already existing tasks. We have practical works on all the twelve trigonometric identities and equations with 45 formulas that you can apply in your work. Since you can take a look at the resolved assignments, you will become a trigonometric identities and equations solver that can start with the formulas and continue with the graphics, analytical calculation, and related word problems.

Trigonometry