9,261 Answered Questions for the topic trigonometry

Trigonometry

05/27/21

Write the equation of the hyperbola with vertices (4, 0), (–4, 0) and focus (5, 0).
Write the equation of the hyperbola with vertices (4, 0), (–4, 0) and focus (5, 0).
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Trigonometry

05/26/21

find exact value of cos(tan^-1 4/3 + cos^-1 5/13)
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Trigonometry Precalculus

05/26/21

What are the steps to find the solution to tan3x(7tanx-7)=0
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Trigonometry

05/26/21

Write the equation, in standard form
Write the equation, in standard form, of an ellipse whose major axis has endpoints of (3,1) and (3,11) and whose minor axis is 2 units long. 
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Trigonometry

05/26/21

Please help i dont know how to do this. Can someone give the answers and how its done?
Please help i dont know how to do this. Can someone give the answers and how its done?The force F (in pounds) on a person's back when he or she bendsover at an angle e from an upright position is... more
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Trigonometry

05/26/21

Maths trignometry
If tan A = 12/5 (fraction) and A is acute, find the value of 5sinA - cosA/12sinA-13cosA
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Trigonometry

05/26/21

Find value of iffn is 1-1 and onto.F=ax+3
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Trigonometry

05/26/21

Find the exact value of tan 2x if sin x = - 4/5 (quadrant 3)
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Trigonometry Precalculus

05/26/21

How do you use sum/difference formulas to evaluate cos5sin4x?
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Trigonometry Precalculus

05/26/21

How do you use the double angle formula to rewrite 4-8sin^2x?
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Trigonometry Math

05/26/21

If sinx=3/5,siny=−12/13,x in quad I, y in quad. III, find: a. sin(x+y) b. cos(x+y) c. tan(x+y)

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Trigonometry

05/26/21

cos^2 x sin x -4 times sin x if 0 ° < x < 360 °
i cannot figure out how to solve for x
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Trigonometry

05/25/21

If a and B are angles lying in the 2nd quadrant such that cos a = -2/3 and csc B = 2, find sin(a + B) and tan(a + B).
Also, what quadrant does (a+b) lie in?
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Trigonometry Precalculus

05/25/21

Please help with this question!
a. In a baseball game, a batter hits a ball to the center field fence, a distance of 400 ft from home plate. The center fielder throws the ball to third and robs the triple. How far is the center... more
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Trigonometry Precalculus

05/25/21

write in standard form, equations to represent each of the following conic sections
Write in standard form, equations to represent each of the following conic sections parabola, focus (-2,4) and directrix x=4 circle, endpoints of the diameter (3,2) and (-9,-8) ellipse, vertices... more
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Trigonometry

05/25/21

Trig Math Question?
Find the exact values of the 6 trigonometric functions of the angle theta (0) if the angle is in standard position and its terminal side bisects the 3rd quadrant.cot0 -tan0 -sin0 - sec0 -csc0 -cos0 -
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Trigonometry

05/25/21

Trigonometry story problem help?
A parasail is towing a person behind a boat. A taut rope is attached to a point 4 feet above water and is 120 feet in length. What is the parasailer's height above the water if the angle of... more
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Trigonometry Algebra 2

05/25/21

We were given a refresher packet for Trigonometry in math today and I got all question but three. I tried them but keep getting the incorrect answer. Can somebody please explain? Thank you!
Given that sinA=1/3 and in Quadrant 1 and cos B= -3/5 and in Quadrant 2. a.) State cos A and sin Bb.) Find exactly sin (A+B)2. Solve for all possible triangles ABC such that A=63 degrees, a=15 cm... more
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Trigonometry Math Mathematics

05/25/21

Given cotθ = 9/40 in quadrant 3, determine cscθ
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Trigonometry

05/25/21

A painter leans a 20 ft ladder against a house. The base of the ladder is 4 feet from the house. How high does the ladder reach on the house? Type in the answer only and round to the nearest tenth.
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Trigonometry

05/25/21

A 3m ladder is leaning against a vertical wall. If it reaches 2.3m up the wall, what angle does it make with the ground?
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Trigonometry Calculus Precalculus Trig

05/24/21

NEED HELP ASAP WITH MATH TEST
PLEASE HELP SOLVE AND SHOW WORK(tan(4π/15)+tan(π/15)) / (1−tan(4π/15)tan(π/15))
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Trigonometry Calculus Precalculus Trig

05/24/21

Math Need Help Please FAST TEST TRIG
Solve cos(π/2+x)+sin(π/2+x) = 0 for [0,2π). Please show you work.
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Trigonometry Math Calculus Calculus

05/24/21

Math Need Help Please FAST
Solve: sin(2x)cosx=0 for [0,2π)
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Trigonometry Math

05/24/21

Trigonometry Multiple Part Question
Anthony spotted a dollar under his coffee table. Anthony's line of sight formed a 30 degree angle of depression with the underside of the table. The table is 20 inches tall. Anthony wishes to... more
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