622 Answered Questions for the topic Trig

12/25/19

Find the Quotient
5(cos 220° + i sin 220°)/2(cos 115° + i sin 115°)A. 5/2(cos 105° + i sin 105°)B. 2/5(cos 105° + i sin 105°)C. 5/2(cos 335° + i sin 335°)D. 10(cos 335° + i sin 335°)
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12/25/19

Trig Problem Please Help
A car travels in the direction of 135°. What is its compass heading?(In Degrees)When I did the problem, I got 315°. Is that correct?
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12/25/19

Word Problem Please Help
An airplane flies 200 km due west from city A to city B and then 300 km in the direction of 30.0∘ north of west from city B to city C. How far is city C from city A?
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12/20/19

Would you mind helping me please?
The graph of y=sin(x) is vertically stretched by a factor of 15, shifted a distance of 6 units to the right, and translated 8 units upward.Find a formula for the function whose graph is the... more
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12/20/19

I need help with this problem please!
Suppose f(x)=(7x-9)/(x^2-6x+9) Then f(x)=A/(x-3)+B(x-3)^2 Where A= B=
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12/19/19

I need help with these problems please!
Simplify each expression.(1 - sin(t))(1 + sin(t)) =
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12/19/19

Write the trigonometric expression below in terms of sine and cosine. Simplify if possible.
1) sec(x)cot(x) 2) (cot(t) - csc(t))(cot(t) + csc(t))
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12/10/19

Let θ be an angle in quadrant IV such that sinθ=−7/8. Find the exact values of secθ and cotθ.
Let θ be an angle in quadrant IV such that sinθ=−7/8.Find the exact values of secθ and cotθ.
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12/10/19

Let, (-3,-8) be a point on the terminal side of θ . Find the exact values of cos θ , sec θ , and cot θ .
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12/07/19

Math Equation Help

Find the vertical shift.y=0.9(sin(pi/3-x)+0.01)
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12/06/19

World Problem Solving

A mouse wanders through a maze 3 feet East, 4 feet North, 2 feet East, & then 5 feet North. How far is the mouse from its starting point?Round to the nearest tenth.
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12/06/19

Word Problem Solving
A ship's bearing is 240°. If a submarine, due east of the ship, shoots a torpedo traveling 5 times as fast as the ship, what angle should the submarine fire the torpedo in order to hit the ship?
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12/05/19

Problem Solving (Word Problem)
A plane, 50 miles away from its destination, is flying toward the airport at an altitude of 30,500 ft. Later, this same plane is 20 miles from the airport and has descended to an altitude of 18,000... more
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12/02/19

use identities to find the value of each expression
If cos( pi/2 - Θ ) = -0.21, find sin( -Θ)
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11/27/19

Problem Solving (Word Problem)
The number of hours of daylight on the summer solstice (the 172nd day of the year) is 15.3 and the number of hours of daylight on the winter solstice (the 355th day of the year) is 9.1. Complete... more
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11/21/19

Trigonometric Function
Use the​ power-reducing formulas to rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.17sin4x
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11/19/19

Word Problem Solving
An 80-feet rope is attached to a boat 7 feet above the water level and a boy jumps over the wake while wakeboarding. What is the distance between his hands and the water level if the angle given is... more
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11/19/19

Word Problem Solving
a jet airliner, flying initially at 300 mi/hr due east, suddenly enters a region where the wind is blowing 100 mi/hr, pushing the aircraft in the direction 30° north of east. what is the resultant... more
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11/19/19

Solve equation, giving exact solutions which lie in [0, 2pi): tan2(x)=1-sec(x)
I got stuck in the middle of the problem. Here's how far I gottan2(x)=1-sec(x)tan2(x)+sec(x)-1=0sin2(x)/cos2(x)+1/cos(x)-1=0
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11/19/19

Find the horizontal shift
what is the horizontal shift of this function? y=8.1(2+3cos(x-pi/2))
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11/18/19

Problem Solving, Parallelograms
Two Adjacent Sides Of A Parallelogram Are 29' And 37", Respectively. The Angle Between These Two Sides Is 65° Find The Length Of C.
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11/18/19

Area of Triangles Problem Solving

a painter needs to find the area of the gable end of a house. what is the area of the gable if it is a triangle with two sides of 42 ft that meet at a 105° angle? round to the nearest hundredth.
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11/14/19

Half-Angle Formulas
Simplify for x in the third quadrant:(sin x/2-cos x/2)^2
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11/14/19

Double Angle Formulas
Simplify:tan x sin 2x
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11/12/19

Double-Angle Formulas
Find sin 2θ if θ is in the first quadrant and tan θ=40/9.
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