577 Answered Questions for the topic Trig

04/30/21

Use Signma Notation to Write the Sum

Use Signma Notation to Write the Sum: 1/(3*2) + 1/(4*3) + ... + 1/(8*7)Please show your work, thanks!!

A boat on a river travels between two points, 50 miles apart, in one hour. The return trip against the current takes 2 1/2 hours.

A boat on a river travels between two points, 50 miles apart, in one hour. The return trip against the current takes 2 1/2 hours. What is the boat's speed in still water? How fast does the current... more

Trigonometry Word Problem About Forces acting on a point

Forces of 15 and 24 kg act on a point at an angle of 62owith respect to each other. Find the magnitude of the resulting force and the angles the resultant force makes with the given forces.

Trigonometry Word Problem

A helicopter flies from the airport on a course with a bearing of 34 degrees. After flying for 50 miles, the helicopter changes course and flies on a bearing of 162 degrees. The helicopter flies... more

04/12/21

I need help with maths. How do i insert that image? Its trigonometry.

Help. I need help with maths. How do i insert that image? Its trigonometry.

04/12/21

I need help with maths. How do i insert that image? Its trigonometry.

Help. I need help with maths. How do i insert that image? Its trigonometry.

04/10/21

Trig functions Math

A ladder 16 ft long rests against a vertical wall. Let 𝜃 be the angle between the top of the ladder and the wall and let x be the distance from the bottom of the ladder to the wall. If the bottom... more

04/08/21

If a=5, b=8, and c=10, then cos(A) = ( ? )

04/07/21

Use identities to rewrite (sec2 x−1)(cot x)/ tan x sin x+cos x in terms of sin x and cos x. Then simplify so that no quotients appear.

I don't understand how to figure out which identity to use

03/31/21

I have several questions for trigonometry. Check description for the questions.

tan(a-b); sina=8/17 for a in quadrant 2 and cosb=-9/41 for b in quadrant 3.sin(a-b), sina=11/12 for a in quadrant 2 and cosb=15/17 for b in quadrant 4.

03/31/21

Write the expression as a product of two trig functions and simplify

sin(12deg)+sin(15deg)an example answer would look like 2sin(5/2)cos(-3/2)

03/31/21

Rewrite the expression and simplify using product to sum identities

cos(4pi/15)⋅cos(2pi/5)an example answer would look like 1/2cos(-3pi/5)-1/2cos(3pi/4)

03/30/21

sin(theta)-sin(5theta)/cos(theta)+cos(5theta) = -tan(2theta)

Verify the Identity show work

03/27/21

I need help on these two trigonometry questions

Use the given information to find the values of the other five trig functionsTan theta = -8/15, pi < theta < 2piSin thetaCis thetaSec theta Csc theta Cot thetaCsc theta=4 , pi/2 < theta... more

03/24/21

Write −6sin(8t)+3cos(8t) in the form Asin(Bt+ϕ)

write -6sin(8t)+3cos(8t) into the form Asin(Bt+phi)

03/22/21

help me pleaseeee

what is the verticle asymptotes of the graph y=tan(x)

Use the vectors u = <2,2>, v = <-4,3>, and w = <1,-4> to find the indicated quantity.

(u · 2v)w(u · 2v)w = ________State whether the result is a vector or a scalar.The result is a: A. VectorB. Scalar

Graph the vectors.

u = 2i - 4jv = 9i + 3jTop Left: A, Top Right: B, Bottom Left: C, Bottom Right: D Find the degree measure of the angle 𝜃 between the vectors. (Round your answer to two decimal places.)𝜃 =... more

Find two vectors in opposite directions that are orthogonal to the vector u. (There are many correct answers.)

u = <-1,1>terminal point in Quadrant I v = terminal point in Quadrant IIIv =

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