Solving Trigonometry Equations and Problems with Examples and Tips

Find the principal value of $\tan^{- 1} (- 1)$

taiko3r4 2022-12-30

How to find the exact value for $\tan (120 °) ?$

Sylvia Macias 2022-12-29

A triangle is dilated using a scale factor of $3$ . The image is then dilated using a scale factor of $\frac{1}{2}$ . What scale factor can you use to dilate the original triangle to obtain the final image?

Nathaly Rivers 2022-12-29

What is the formula of $\cos 3 x$ ?

Savanne1bo 2022-12-29

Find the value of $(\sin 30^{\circ} + \cos 60^{\circ})$ .

Brisa Lyons 2022-12-28

The lengths of the sides of a triangle are in the ratio 3 : 4 : 5 and its perimeter is 144 cm. Find the area of the triangle and the height corresponding to the longest side.

BIGivb 2022-12-24

How many right angles are there in a rectangle?
A.4
B.5
C.6
D.7

emnehefteye4 2022-12-24

Determine the principal value of $\cos^{- 1} (- \frac{1}{2})$ .

Bradyn Cherry 2022-12-23

Evaluate $\tan [\sec^{- 1} (1 + x^{2})]$
A. $\frac{1}{x}$

B. $x$
C. $\frac{1}{1}$
D. $\frac{x}{1}$

Thaddeus Herman 2022-12-23

A ladder makes an angle of $60^{\circ}$ with the floor and its lower end is 20 m away from the wall. Find the length of the ladder.

Harold Prince 2022-12-22

The equation $x^{2} + y^{2} = 0$ denotes A)A point; B)A circle; C)x-axis; D)y-axis

Deacon Hensley 2022-12-21

Which of the following is a trigonometric identity?
$A) 1 + \sec^{2} θ = \tan^{2} θ B) 1 + c o s e c^{2} θ = \cot^{2} θ C) \sin^{2} θ = 1 - \cos^{2} θ D) \sin^{2} θ - \cos^{2} θ = 1$

vaixellause 2022-12-20

Determine the equation of the tangent line to the given path at the specified value of t. (Enter your answer as a comma-separated list of equations in (x, y, z) coordinates.) ( $\sin (3 t), \cos (3 t), 2 t^{7 / 2}$ ); t=1

Cherish Stanley 2022-12-19

If two angles have the same measure, they are congruent.

Dikealemlepcju 2022-12-17

How do you find the exact value of $\sin^{- 1} (- 1)$ ?

zetHeernetonsgeu 2022-12-17

Find the critical numbers of the function on the interval $0 \leq θ < 2 π .$
$f (θ) = 2 \cos (θ) + (\sin (θ))^{2}$
$θ = ?$ (smallervalue) $θ = ?$ (larger value)

Aaliyah Thornton 2022-12-16

How many obtuse angles can a triangle have?
A.One
B.Two
C.Three
D.None

2selz76t 2022-12-16

Find the exact values of $\cos 150 °$ and $\sin 150 °$ .

nefg4m 2022-12-16

The majority of Trigonometry Math problems are quite easy to solve when you have the list of answers that help you see the logic and reasoning. Looking at various examples will help you to see how certain questions are related to provided solutions.

Remember that Trigonometry requires patience and analysis. By following your analysis skills, you will help yourself find the answers. If something remains unclear, start with your exploration of examples again and go step-by-step.

Precalculus

What is the value of sin4x=?