Solving Trigonometry Problems: Basic, Advanced & Examples

High School
Geometry
Trigonometry

I have a question thatasks me to find an algebraic expression for $\sin (\arccos (x))$ . From the lone example in the book I seen they're doing some multistep thing with the identities, but I'm just not even sure where to start here. It's supposed to be $\sqrt{1 - x^{2}}$

rescuedbyhimw0 2021-12-05

Find the derivative of $y = \sqrt{x}$ .

Michael Dennis 2021-12-04

Find the inverse of sin?

puntgewelb5 2021-12-02

Establish the identity. $\frac{1 - c o s θ}{1 + c o s θ} = (c s c θ - c o t θ)^{2}$

krypsojx 2021-12-01

Help to solve the triangle ABC, given a=22, A=50, c=27.

veudeje 2021-11-29

Solve each of the following triangles. If there are two triangles, solve both. Round angle measurements to one decimal place and side lengths to two decimal places. $a = 9, b = 4, B = 23^{\circ}$
a=
y=
c=

folklorahhe 2021-11-29

Triangles ABC and DEF are right triangles, as shown. $△ A B C$ is similar to $△ D E F$ .
Which ratios are equal to $\cos (B)$ ? Choose the TWO ratios that apply.

ostric16 2021-11-28

Triangles ABC and DEF are similar triangles. Use this fact to solve the exercise. Round to the nearest tenth.
Find the perimeter of triangle ABC.

Edmund Adams 2021-11-28

A pole has two wires attached to it, one on each side, forming two right triangles as shown.

TokNeekCepTdh 2021-11-27

Use the Law of Cosines to solve the triangles. Round lengths to the nearest tenth and angle measures to the nearest degree.
$a = 4, b = 6, c = 9$
$a = 4, b = 7, c = 6$

Ashley Searcy 2021-11-27

triangle ABC is a right triangle with its right angle at C. The bisector of angle B intersects AC at D. The bisector of the exterior angle at B intersects AC at E. If BD= 15 and BE=20, what are the lengths of triangle ABC?

Lloyd Allen 2021-11-26

Use the Law of Cosines to solve the triangles. Round lengths to the nearest tenth and angle measures to the nearest degree. PLEASE solve both of these triangles. Thank you!

lenlifiauw2 2021-11-26

Use the Law of Cosines to solve the triangles. Round lengths to the nearest tenth and angle measures to the nearest degree.
$a = 5, b = 5, c = 5$
$a = 66, b = 25, c = 45$

Carolyn Moore 2021-11-25

Solve each of the following triangles. If there are two triangles, solve both. Round angle measurements to one decimal place and side lengths to two decimal places. $a = 10, b = 12, c = 7$
a=?
B=?
y=?

pamangking8 2021-11-25

Given $b = 2, a = 3$ , and $B = 40$ (degrees), determine whether this information results in one triangle, two triangles, or no triangle at all. Any resulting triangles should be resolved.

podnescijy 2021-11-25

The perpendicular bisector $\overset{―}{A B}$ in the right triangle $△ A B C$ forms the triangle with the area 3 times smaller than the area of $△ A B C$ . Find the measures of acute angles in $△ A B C$

leviattan0pi 2021-11-25

Determine whether or not F is a conservative vector field. If it is, find a function f such that F=del f. F(x,y)=e^xsinyi+ e^xsinyj

tapetivk 2021-11-23

Find the height of the triangle g to the nearest tenth.

korporasidn 2021-11-23

A plane, diving with constant speed at an angle of ${53.0}^{\circ}$ with the vertical, releases a projectile at an altitude of 730 m. The projectile hits the ground 5.00 s after release.
a) What is the speed of the plane?
b) How far does the projectile travel horizontally during its flight? What are the
c) horizontal and (d) vertical components of its velocity just before striking the ground?

deliredejoker7m 2021-11-23

Evaluate the following complex numbers and leave your results in polar form: (a) $5 ∠ 30^{\circ} (6 - j 8 + \frac{5 ∠ 60^{\circ}}{2 + j})$
(b) $\frac{(10 ∠ 60^{\circ}) (35 ∠ - 50^{\circ})}{(2 + j 6) - (5 + j)}$

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Trigonometry

Trigonometry Problems - Basics, Advanced & Examples