Solving Trigonometry Problems: Basic, Advanced & Examples

High School
Geometry
Trigonometry

Is this triangle a right triangle

necessaryh 2021-03-02

Use the figures to find the exact value of the trigonometric function $\tan 2 θ$ .

generals336 2021-03-02

The lengths of the diagonals of a rectangle are represented by 8x + 3 feet and 4x + 7 feet. Find the length of each diagonal.

Burhan Hopper 2021-03-01

You see that the shadow of a nearby 6-foot tall street sign is 3 feet 6 inches. You measure the shadow of the rock wall to be 22 feet 3 inches. What method can you use with this information to approximate the height of the rock wall? Approximate the height of the rock wall.

shadsiei 2021-03-01

Find the exact value of $\sin 60^{\circ}$ .

Wribreeminsl 2021-03-01

A triangle is rotated 180 about the origin. Its image is reflected in the x-axis. The verticles of the final triangle are (-4,-4),(-2,-4), and (-3,-1). That are the verticles of the original triangle?

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

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

floymdiT 2021-02-25

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

iohanetc 2021-02-25

To further justify the Cofunction Theorem, use your calculator to find a value for the given pair of trigonometric functions. In each case, the trigonometric functions are cofunctions of one another, and the angles are complementary angles. Round your answers to four places past the decimal point.
${\sec 6.7}^{\circ}, \cos e c {83.3}^{\circ}$

BenoguigoliB 2021-02-25

Can you draw two triangles each having two $45^{\circ}$ angles and one $90^{\circ}$ angle that are not similar? Justify your answer.

Kaycee Roche 2021-02-25

If a right triangle has one side of 7 and another side of 8, what is the length of the hypotenuse?

Jaden Easton 2021-02-24

A wooden block with mass 1.50 kg is placed against a compressed spring at the bottom of an incline of slope 30.0 degrees. When the spring is released, it projects the blockup the incline. At point B, a distance of 6.00 m up the incline from A, the block is moving up te incline at 7.00 m/s andit is no longer in contact with the spring. The coeffiicient of kinetic friction between the block and incline is k =0.50. The mass of the spring is negligible. Find the amount of potential energy that wasinitially stored in the spring.

ediculeN 2021-02-24

Find the length of the leg of the triangle 45-45-90 with a long hypotenuse of 25 inches.

Wierzycaz 2021-02-23

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

smileycellist2 2021-02-21

$(\cos A) (\csc A) = \cot A$

Tyra 2021-02-21

Use a protractor to measure $∠ a, ∠ b$ , and $∠ c$ . List the angle measures.

Rui Baldwin 2021-02-21

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

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Trigonometry

Trigonometry Problems - Basics, Advanced & Examples