573 Answered Questions for the topic Trig

1d

(Falling ladder question); A ladder 25 ft long is leaning against a wall. The base of the ladder is pulled away from wall at rate of 2ft/sec.
A ladder 25 feet long is leaning against the wall of a house. The base of the ladder is pulled away from the wall at a rate of 2 feet per second.(a) What is the velocity of the top of the ladder... more
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9d

Prove the trig identities
3, 9 and 7. Use the above numbers to prove only three of these trig identities.sin x/ 1 + cos x = 1 - cos x/sin x1/ 1 + Cos x = csc^2 x - cot x/sinx x-sin x - cos x cot x= - csc x1 + tan x/ 1 + cot... more
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9d

Prove the following trig identities
3, 9 and 7. Use the above numbers to prove only three of these trig identities.sin x/ 1 + cos x = 1 - cos x/sin x1/ 1 + Cos x = csc^2 x - cot x/sinx x-sin x - cos x cot x= - csc x1 + tan x/ 1 + cot... more
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9d

Solve this equation for 0° ≤ 𝜃 ≤ 360°. 2𝑐𝑜𝑠𝑥 − √3 = 0
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9d

Solve this equation for 0° ≤ 𝜃 ≤ 360°. 25 + 15𝑡𝑎𝑛𝜃 = 12𝑡𝑎𝑛𝜃 + 28

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9d

Find the exact value of each trigonometric ratio.
a) cos30°b) sin225°
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9d

The coordinates of a point P on the terminal arm of an ∠𝜃 in standard position are given, where 0° ≤ 𝜃 ≤ 360°. Determine the exact values of 𝑠𝑖𝑛𝜃, 𝑐𝑜𝑠𝜃, 𝑎𝑛𝑑 𝑡𝑎𝑛𝜃.
a) 𝑃(4,5) b) 𝑃(−3,−6)
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9d

In ∆ABC, where ∠A= 20°, a = 2 cm, and b = 5 cm
Determine the number of triangles that could be drawn with the given measures. Then, find the measures of the other angles and the other side in each possible triangle. Round to the nearest tenth,... more
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9d

In ∆XYZ, where ∠X = 43°, x = 2 m, and y = 4 m
Determine the number of triangles that could be drawn with the given measures. Then, find the measures of the other angles and the other side in each possible triangle. Round to the nearest tenth,... more
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9d

Solve the following triangle, rounding answers to the nearest tenth if necessary. In ∆𝐸𝐹𝐺, ∠𝐹 = 67.8°, 𝑓 = 12.5 𝑚, 𝑎𝑛𝑑 𝑒 = 9.8 m
This is a right triangle, I believe.
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9d

Solve the following triangle, rounding answers to the nearest tenth if necessary. In ∆RST, r = 12.6 m, s = 11.5 m, and t = 13.2 m
This is a right triangle, I believe.
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9d

Solve each triangle. Round each measure to the nearest tenth of a unit.

a)) In ∆ABC, ∠B=90 degrees, ∠C=47.1 degrees, c=9.7 cmb)) In 𝐼𝑛 ∆𝐾𝐿𝑀,∠𝐾 = 90 degrees , 𝑚 = 12.4 𝑐𝑚 𝑎𝑛𝑑 𝑙 = 8.8𝑐m
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14d

Please help me on this math problem
Alex is 1.80 meters tall. He casts a shadow that is 1.45 meters long. At a distance of 4.95 meters from the tree his shadow reaches the end of a tree's shadow. What is the tree's height?Image... more
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15d

Please help me with my trig homework question. Its really hard and due today.

Read and solve the word problem using the appropriate strategy: Pythagorean Theorem, Special Right Triangle Rules, or Right Triangle Trigonometry. A flagpole is propped on the east side corner of... more
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16d

please answer this trig question asap my homework is due today
Question: (please answer this question asap I really need help by today since my homework is due today and if possible can you provide the formula you used?) Two walls of a canyon form the walls... more
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23d

trigonometric equations

Solve 6sin(3x)=3 for the two smallest positive solutions A and B, with A < BA =   B =   Give your answers accurate to at least two decimal places.
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06/11/21

If θ is an angle in standard position and its terminal side passes through the point (4,3), find the exact value of sin theta in simplest radical form.
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06/11/21

Given cos theta= 2/3 and angle theta is in Quadrant I, what is the exact value of sin theta in simplest form? Simplify all radicals if needed.
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06/11/21

Given the quadratic function f(x)=6x^2+5x
Given the quadratic function f(x)=6x^2+5xCompute f(a+h) − f(a)=______Assuming h≠0, compute f(a+h) − f(a)/h = ____
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06/11/21

A person standing 299 feet from the base of a church observed the angle of elevation to the church's steeple to be 50 How tall is the church? (Give your answer to the nearest whole number)
A person standing 299 feet from the base of a church observed the angle of elevation to the church's steeple to be 50 How tall is the church? (Give your answer to the nearest whole number) _____ feet more
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06/11/21

A box with a square base and no top is to be made from a square piece of carboard
A box with a square base and no top is to be made from a square piece of carboard by cutting 7 in. squares from each corner and folding up the sides. The box is to hold 19663 in3. How big a piece... more
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06/10/21

Find the bearing from Port B to the current location of the ship.
A ship left Port A and sailed 122 miles due east to Port B. From Port B, the ship sailed 253 miles northwest and stopped. Find the bearing from Port B to the current location of the ship.
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06/10/21

Find θ if d is 2.6 miles. Round to the nearest tenth.
The radar on a ship picks up two shipwrecks, A and B, 5.12 miles beneath the surface. The distance between the shipwrecks is 1.25 miles. The angle of depression to Shipwreck B depends on the... more
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06/04/21

A 250-foot weather tower used to measure wind speed has a guy wire attached to it 75 feet above the ground.

A 250-foot weather tower used to measure wind speed has a guy wire attached to it 75 feet above the ground. The angle between the wire and the vertical tower is 48 degrees. Approximate the length... more
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06/03/21

Let f( x ) = 2 − 3x + 13x^2. Calculate the following values:

Let f( x ) = 2 − 3x + 13x^2. Calculate the following values: f (a)=f(a+h)f(a+h)−f(a) /h= (For h does not equal 0)
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