Trigonometric Equations and Indentities: Real-World Examples

High School
Geometry
Trigonometry
Trigonometric equations and identities

Recent questions in Trigonometric equations and identities

Ayaana Buck 2021-06-05

$(\sin x + \cos x) ² = 1 + \sin 2 x$

boitshupoO 2021-06-05

Verify that the equation is an identity. (Hint: $\cos 2 x = \cos (x + x)$ .)
$\cos 2 x + 2 \sin^{2} x - 1 = 0$

Wribreeminsl 2021-06-02

If J is jointly proportional to G and V, and J = √3 when G = √2 and V = √8, what is J when G = √6 and V = 8?

defazajx 2021-05-31

Understand sine and cosine values on the unit circle Question
If the terminal side of angle tt goes through the point $(- (\frac{5}{13}), - (\frac{12}{13})$ on the unit circle, then what is cos(t)?
Provide your answer below: $\cos (t) = □$

Aneeka Hunt 2021-05-30

$\frac{1}{s e c θ - t a n θ} + \frac{1}{s e c θ + t a n θ}$

Suman Cole 2021-05-29

Find the volume of the parallelepiped with adjacent edges PQ, PR, and PS.
$p (3, 0, 1)$
$Q (- 1, 2, 5)$
$R (5, 1, - 1)$
$S (0, 4, 2)$

floymdiT 2021-05-09

Find the altitude of an isosceles triangle with base 4.24 feet. The vertex angle of the triangle measures 85°

Rivka Thorpe 2021-05-09

Write the complex number in standard form.
$5 + \sqrt{- 36}$

SchachtN 2021-03-11

For a Science fair project, a group of students tested different Materials used to construct kites. The instructor gave to the group an instrument that accurately measures the angle of elevation. In one of the tests, the angle of elevation was 63.4° with 670 ft of string out. Assuming the string was taut, how high was the kite?

Albarellak 2021-03-08

solve the following equation for all values of x: $\sin^{2} x + \sin x \cos x$

Reggie 2021-03-08

Solve $(\sin x + \cos x) (\sin x + \cos x)$

Aneeka Hunt 2021-03-06

Solve $\tan^{2} x - \sin^{2} x = \tan^{2} x \sin^{2} x$

ringearV 2021-03-06

Find the exact value of the expression.
$\tan 25^{\circ} + \tan 110^{\circ} / 1 - \tan 25^{\circ} \cdot \tan 110^{\circ}$

emancipezN 2021-03-04

Movement of a Pendulum A pendulum swings through an angle of 20∘ each second. If the pendulum is 40 inches long, how far does its tip move each second?

Joni Kenny 2021-03-04

Solve $\frac{(\sin θ + \cos θ)}{\cos θ} + \frac{(\sin θ - \cos θ)}{\cos θ}$

Cem Hayes 2021-03-02

How to prove the following:
$\tan^{2} x + 1 + \tan x \sec x = 1 + \frac{\sin x}{\cos^{2} x}$

Maiclubk 2021-02-27

Prove that $sinh (x + y) = \sin x cosh y + cosh x sinh y$

Isa Trevino 2021-02-25

Solve the equation $\frac{\sin^{2} θ /}{c o s θ} = \sec θ - \cos θ$

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