9,261 Answered Questions for the topic trigonometry
Trigonometric Ratios
In each of the following triangles, give the 3 trigonometric ratios for angle a , accurate to 4 decimal places. Then find the size of angle a , accurate to one decimal place. Diagrams are not...
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Trigonometry Math
08/23/22
Label the triangle
Label the sides of the following triangle opposite, adjacent and hypotenuse, according to x angle . (1 mark)
Prove the triangle
Prove that triangle ABF is similar to triangle DEF. Ensure you follow proper proof form. For extra help, review the second example from the Similar Triangles lesson. (4 marks)
Find the lengths of...
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When a constant force is applied to an object, the acceleration of the object varies inversely with its mass.
When a certain constant force acts upon an object with mass 2 kg, the acceleration of the object is 22 /ms2. When the same force acts upon another object, its acceleration is 4m/s2. What is the...
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Trigonometry Algebra 1
08/22/22
Consider a triangle ABC. Suppose that A=108°, C=26°, and b=66. Solve the triangle. Round your answers to the nearest tenth.
a between B and Cb between A and Cc between A and B
Baseball height question
A baseball is hit from a height of 0.8 m. After t seconds, its height, h meters, is given by the equation h=−5t^2+20t+0.8. How long does the ball stay at least 15 m above the ground?Please answer...
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Right triangle question
A right triangle has a height 8 cm more than twice the length of the base. If the area of the triangle is 96 cm2, what are the dimensions of the triangle. (6 marks)Please answer in full detail
Consider the triangle ABC. Suppose that a=73 b=71 c=3 Solve the triangle. Carry your intermediate computations to at least four decimal places, and round your answers to the nearest tenth
ABC triangle a between B and Cb between A and C c between A and B
Vertex form question
A parabola passes through the point (3, 5) on its way to the vertex at (7, 11). Determine the equation in vertex form that represents this parabola. (3 marks)
Please answer in full detail
Police officer Question
A police officer is investigating a crime which occurred in a rectangular field next to a building. He wants to seal the three sides of the area around the scene with 300 m of yellow police...
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08/20/22
a.) lim x->∞ ln[(2e^x) + (e^-x)] - ln[(e^x) - (e^-x)] b.) lim x->0^+ [tan^-1(lnx)] c.) lim x-> -∞ [cos^-1(2-x^2 / x^2+3x)] d.) lim x->0^+ [lnx / tanh^-1(x-1)] e.) lim x->0^- [(cos(3x))^2/x]
Find the indicated limits.
Trigonometry
08/20/22
A vector with magnitude 7 points in a direction 325 degrees counterclockwise from the positive x axis.
Trigonometry
08/20/22
Given the vector u → = 1 i → - 4 j → , find the magnitude and angle in which the vector points (measured counterclockwise from the positive x-axis, 0 ≤ θ < 2 π )
Trigonometry
08/20/22
Given the vector u → = 〈 - 2 , - 6 〉 , find the magnitude and angle in which the vector points (measured counterclockwise from the positive x-axis, 0 ≤ θ < 2 π)
Trigonometry
08/20/22
Find the magnitude of the vector v whose initial point is P ( - 6 , - 1 ) and terminal point is Q ( - 5 , - 2 ) . Enter the exact value of your answer.
Trigonometry
08/20/22
Let → a = ⟨ 2 , 3 ⟩ and b → = 〈 3 , 5 > . Find − 3 → a − 3 → b
Trigonometry
08/20/22
Sketch v , − 3 v , and 1/2v where v = ⟨ 2 , − 2 ⟩
Trigonometry
08/20/22
Let → a = ⟨ 2 , 3 ⟩ a → = 〈 2 , 3 〉 and → b = ⟨ 3 , 5 ⟩ b → = 〈 3 , 5 〉 . Find − 3 → a − 3 → b - 3 a → - 3 b →
Find d/dx f^-1 (4) where f(x) = 4 + 2x^3 + sin (πx/ 2) for −1 ≤ x ≤ 1.
***The f^-1 (4) = f inverse (4)
Trigonometry
08/15/22
In triangle ABC Draw the median AM. K is a point on AM such that: AK/AM=1/3, BK intersects AC at N. a. Calculate the area of triangle AKN, knowing the area of triangle ABC is S. b. A
In triangle ABC Draw the median AM. K is a point on AM such that: AK/AM=1/3, BK intersects AC at N. a. Calculate the area of triangle AKN, knowing the area of triangle ABC is S. b. A line...
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Trigonometry Calculus
08/13/22
What value is S? S=(π^2/2!)-(π^4/4!)+(π^6/6!) -/+....
What value is S?S=(π2/2!)-(π4/4!)+(π6/6!) -/+....
solve below please
to find the distance between parallel lines with equations x + 3y = 6 and x + 3y = -14, you first have to find a point on one line, find the equation through that point perpendicular to the first...
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Frog Geometry problem
A stone is tossed into a pond at the coordinates (0, 0), creating a circular ripple that increases at a rate of 12 cm/s. A frog is on his lily pad at the point (–36, 48). How far is the frog from...
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Trigonometry Geometry
08/09/22
The problem is from geometry.
Let $Vambda$ be a positive real number.Consider a semicircle of center O and diameterAB. Choose points C and D (C is between D andB) on the semicircle and let \angle AOD=2\alphaand \angle...
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Trigonometry Geometry
08/09/22
The question is about geometry.
Let λ be a positive real number. Consider a semicircle of center O and diameter AB. Choose points C and D (C is between D and B) on the semicircle and let ∠ AOD=2α and ∠ BOC=2β.The point X on the...
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