9,261 Answered Questions for the topic trigonometry

Trigonometry

11/26/21

Find the black bear population for 1993. Had this trend continued, when would the black bear population have numbered less than 100? .
On November 27, 1993, the New York Times reported that wildlife biologists have found a direct link between the increase in the human population in Florida and the decline of the local black bear... more
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Trigonometry

11/26/21

Show that sin^4x-cos^4x/sin^2x -cos^2x =1
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Trigonometry

11/26/21

Find all solutions to 2cos^2(x) - 7cos(x) +3 =0
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Trigonometry

11/26/21

Prove that cos^2 alpha+sin^2 alpha=1
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Trigonometry

11/26/21

Show that 1-costheta/1+costheta=tan^2 1/1 theta
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Trigonometry

11/26/21

Show that sin2A/1+cos2A=TanA
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Trigonometry

11/26/21

If sin alpha=3/5 and Tan beta=5/12.find tan(alpha+beta)
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Trigonometry Precalculus

11/26/21

What is the domain of y=sin(x)+tan(x)? How to solve without graphs.

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Trigonometry

11/25/21

How do I solve the equation, (cos(x))^2 = 1/25, in the interval of [0,2π]?
Solve the equation in the interval [0,2π]. If there is more than one solution write them separated by commas.
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Trigonometry

11/25/21

Answer the following:
From a campsite the angle of elevation of the top of a mountain is 5 degrees. The campsite is 12 km from the foot of the mountain. Which equation can be used to find the height, x km, of the... more
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Trigonometry

11/25/21

Answer the following:
The base of a lifeguard tower is at point A. On a level with A in the same straight line, points B and C were chosen so that the distance between B and C is 12 meters. From points B and C the... more
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Trigonometry

11/25/21

Answer the following:
A 13-foot ladder is used to scale a 9-foot wall. At what angle of elevation must the ladder be situated in order to reach the top of the wall? Round answer to the nearest degree.Choices:44... more
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Trigonometry

11/25/21

Answer the following:
From a plane flying due east at 300 meters above sea level, the angles of depression of two ships sailing due east measure 12⁰ and 7⁰. Which equation can be used to find the horizontal distance, x... more
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Trigonometry

11/25/21

Answer the following:
From the top of a vertical cliff 7 miles high, the angle of depression of an object that is level with the base of the cliff is 12 degrees. Which equation can be used to find the distance, x miles,... more
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Trigonometry Math

11/25/21

Find the half-life (in hours) of a radioactive substance that is reduced by 10 percent in 55 hours.

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Trigonometry

11/24/21

What is the quarter point of y=1/2sin(2x+π)
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Trigonometry

11/24/21

y=tan (1/2Ꝋ) ...
GIVEN Y=TAN (1/2Ꝋ), IDENTIFY THE CRITICAL POINTS IN THE PRINCIPAL CYCLE LEFT SIDE ?, RIGHT SIDE ?, PERIOD ?, QUARTER POINT ?, MIDPOINT ?, THREE QUARTER POINT?
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Trigonometry

11/24/21

√2 CSCꝊ - 2=0 ...
Solve for if 0° ≤ 𝜃 < 360
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Trigonometry

11/24/21

3-√3 TAN Ꝋ= 0 ...
Solve for if 0° ≤ 𝜃 < 360
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Trigonometry

11/24/21

trigonometry the measure in radius
The measure in radians of the central angle of a circle of radius  19 that intercepts an arc of length  93 is  radians.
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Trigonometry

11/24/21

2SINꝊ - 1 = 0 ...
Solve for if 0° ≤ 𝜃 < 360
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Trigonometry

11/23/21

Let u = 6i + 8j and v = 4i − j. (a) Find the angle between u and v. (Round your answer to one decimal place.) ° (b) Find the component of u along v. (c) Find projvu.
Let u = 6i + 8j and v = 4i − j.(a) Find the angle between u and v. (Round your answer to one decimal place.) °(b) Find the component of u along v. (c) Find projvu.
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Trigonometry

11/23/21

Let P(5, 1, −4) and Q(7, −3, 0) be two points in three-dimensional space.
Let P(5, 1, −4) and Q(7, −3, 0) be two points in three-dimensional space.(a) Find the distance between P and Q. (b) Find an equation for the sphere whose center is P and for which the segment PQ is... more
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Trigonometry

11/23/21

Calculate the given quantity if u = i + j − 5k    v = 4i − 5j + k    w = j − 4k.
Calculate the given quantity ifu = i + j − 5k    v = 4i − 5j + k    w = j − 4k.(a)    2u + 3v(b)    |u| (c)    u · v (d)    u × v (e)    |v × w| (f)    u · (v × w) (g)    the angle... more
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Trigonometry

11/23/21

Find two unit vectors that are perpendicular to both j + 3k and i − 3j + 5k. (Enter your answers as a comma-separated list.)
Find two unit vectors that are perpendicular to both j + 3k and i − 3j + 5k. (Enter your answers as a comma-separated list.)
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