577 Answered Questions for the topic Trig

01/11/21

Sailboat Vector Problem

A boat is sailing across a lake. The boat’s motor can move the boat at a speed of 18 km/hr in still water. Today, there is also a current of 5 km/hr flowing S15° W. Additionally, there is a wind... more

01/11/21

Cats Vector Application Problem

My kittens Annie and Josie are at it again. This time, they have found the bag of cat food and are attempting to drag it out of the pantry by their teeth. Annie can pull with a force of 8 pounds... more

01/11/21

Vector Application Problem

My kittens, Annie and Josie, are pushing a ball, Annie with a force magnitude of 80 N in a direction of 133°, and Josie with a magnitude of 95 N in a direction of 290°. If a third cat wants to... more

01/11/21

Vector Application Problem

During a baseball game on March 24th, 2001, and unlucky bird flew directly in the path of a Randy Johnson fastball. The fastball was traveling due north at a speed of 95 mph, while the bird was... more

01/07/21

solve for (z) x+y+z/5=w

12/21/20

Find two values of theta that satisfy the equation.

Find two values of θ (0 ≤ θ < 360°) that satisfy sinθ = 0.2568.

12/20/20

Use the graph of the function to answer the following.

f(x) = cos(x) on the interval [−2𝜋, 2𝜋](a) Find the x-intercepts of the graph of y = f(x). (Enter your answers as a comma-separated list.)x =(b) Find the y-intercepts of the graph... more

Use the graph of the function to answer the following.

f(x) = cos(x) on the interval [−2𝜋, 2𝜋](a) Find the x-intercepts of the graph of y = f(x). (Enter your answers as a comma-separated list.)x =(b) Find the y-intercepts of the graph... more

Trig Identities

Given 𝑠𝑖𝑛 𝛼 = 7 and 𝑠𝑖𝑛 𝛽 = 3, 𝛼 and 𝛽 in quadrant II, find 25 5(a) 𝑠𝑖𝑛(𝛼 + 𝛽), (b) 𝑡𝑎𝑛(𝛼 + 𝛽), and (c) the quadrant of 𝛼 + 𝛽.

12/06/20

College Now Math

An object is thrown upward at a speed of 126 feet per second by a machine from a height of 16 feet off the ground. The height of the object after t seconds can be found using the equation s(t)=... more

This is a trig question that is too long to put in the title. See description

A small pebble stuck on the tread of a car’s tire is travelling at a linearspeed of 35 miles per hour. If the radius of the tire were 1 inch greater and itsangular velocity were the same, the... more

This is a trig question that is too long to put in the title. See description

A small pebble stuck on the tread of a car’s tire is travelling at a linearspeed of 35 miles per hour. If the radius of the tire were 1 inch greater and itsangular velocity were the same, the... more
Trig Calc Precal

11/23/20

7.1 8 Find the area of the triangle if a=9inches, b=7inches, and α=34°. Round to the nearest tenth.

Find the area of the triangle if a=9inches, b=7inches, and α=34°. Round to the nearest tenth.

11/22/20

Write a unit vector in the direction of the given vector v= 20i - 21j

Please show steps and formulas. Thank you!

Find a formula for h(x). Give an exact expression.

h is a trigonometric function of the form h(x)=a cos(bx+c)+d.Below is the graph of h(x). The function has a maximum point at (3,6) and a minimum point at (6.5, -9). Find a formula for h(x). Give an... more

What is the amplitude of the function?

Below is the graph of a trigonometric function. It intersects its midline at (π, 2.75) and it has a maximum point at point at (4/5 ​π, 6.75). What is the amplitude of the function?(The pi in the... more

What is the period of the function? Give an exact value.

Below is the graph of a trigonometric function. It intersects its midline at (−3.5,−0.8)left parenthesis, minus, 3, point, 5, comma, minus, 0, point, 8, right parenthesis and it has a maximum point... more

11/16/20

Using formula zk = r(cos 𝜃 + 2𝜋k/n + i sin 𝜃 + 2𝜋k/n) To find the answer.

Use the formula  zk = r(cos 𝜃 + 2𝜋k/n + i sin 𝜃 + 2𝜋k/n) to find all solutions of the equation. (Enter your answers in trigonometric form. Let 0 ≤ 𝜃 < 2𝜋.)x4 + i = 0z0=___z1=__z2=___z3=__z4=__I... more

11/16/20

Method of Substitution

Solve the system by the method of substitution. (If there is no solution, enter NO SOLUTION.)1/5x+1/2y=8 x+y=20 Now I have gotten several different solutions, the last one was -5,25 BUT... more

11/16/20

Convert from polar to rectangular form 24(cos pi/6 + i sin pi/6)

Please show steps, thank you.

11/16/20

Write the complex number in polar form 2-2 sqrt(3i)

Please show steps to solve, thank you.

11/07/20

Given cot α = 5/12 for α in Quadrant III and sec β = 7/5 for β in Quadrant IV. Find sin (α−β).

Please show step by step in detail, thank you!

11/07/20

Rewrite 3 sin^4(2x) − 2 cos^2(4x) in terms of the first power of cosine

Please show step by step instructions, thank you!

11/05/20

i seriously need help this trig question :( any help is much appreciated <3

An ice cream company is designing waffle cones to use for serving frozen yogurt. The cross-section of the design has a bottom angle of 29°. The sides of the cones are 13 cm long. Determine the... more

11/03/20

Half angle/double angle formula

negative radical 4root3 +7 .How do you solve the rest of this? Its supposed to be -2-root 3

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