622 Answered Questions for the topic Trig

02/11/19

High tide is at 3:36 am at 7.2 meters deep and low tide is at 9:06 am at 2.6 meters deep, what is the sin equation for this?
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Trig

02/07/19

The following relationship is know to be true for two angles A and B: sin(A)cos(B)-cos(A)sin(B) Express A in terms of angle B. Work in degrees.
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02/07/19

Find the EXACT value of sin ( A + B ) sin ( A + B ) if Tan A=5/12 where A is in Q1 and Cos B=-15/17 where B is in Q2. Assume all angles are measured from standard position.
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Trig Algebra 2

02/03/19

Helppppp pleaseeeee!!!!
The manger of a home Electronics store is considering re-pricing a new model of digital camera at the current price of $680 the store sells about 70 cameras each month sales data from other stores... more
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01/25/19

Use your graphing calculator to solve the equation graphically in the interval [4,7]. x^ 3 − 5 x ^2 − 10.81 x = − 44.33
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01/24/19

In each problem, angle C is a right angle. Find the side indicated to the nearest tenth and show all work. Find a if b=16, measure angle A=42°
Answer Choices:A)14.4B)11.7C)13D)14.7
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01/18/19

How do I sketch a cubic polynomial with zeroes -2, 1, and 4 and a Lead Coefficient of -1 ?
PLEASE ANSWER IN THE HOUR IF POSSIBLE!
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12/12/18

Help in understanding something in trigonometry

If sin∝ = cos β ,then ∝ ± β = 90° + 360°nIf tan ∝ = cot β,then ∝ + β = 90° + 180°nI can't really get this. I hope someone could explain it to me. Thanks for any help in advance
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11/02/18

How do I find the other 5 trigonometric functions with just a cosecant value and what quadrant it is in?
I know how to find sin (it is the reciprocal of csc) but with out a cos value I cannot figure out how to find tan, cot, cos and sec
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10/29/18

A tower is 102 feet tall casts a shadow 103 feet long. Find the angle of elevation of the sun to the nearest degree.
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10/28/18

How To Find The Slope Of A Line
 Write an equation in slope-intercept form for the line that passes through (4, -4) and is parallel to 3 + 4x = 2y – 9.This is The Given.
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Trig

09/22/18

From a point 87 feet from the base of a tree, the angle of elevation is 53 degrees. The distance from the tree is how many feet?
I need to know the distance from the standing point to the top of the tree.
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Trig

09/20/18

How to find the speed of the boat
a current of 5mph a boat travel 210 miles downstream in the same amount of time it takes to travel 150 miles upstream. What is the speed of the boat still in water?
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09/13/18

Find all angles θ between 0° and 180° satisfying the given equation sin(θ) = 1/8
This is a trig question my math teacher gave and i am confused. I thought the answers were 4.2 and 172.8
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Trig

07/25/18

Trigonometry
If cos0 =n/5 and  270°<0<360, than the express for tan0 is?
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Trig

06/07/18

solve the linear inequality and write te solution in interval notation
3>1/3w
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Trig

05/14/18

If a tangent and theta is between pie/2 and pie and has a tangent of -12/5 what is the sine of theta
If a tangent and theta is between pie/2 and pie and has a tangent of -12/5 what is the sine of theta
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05/10/18

Trigonometry and Acute Triangles
The angle of elevation from the roof of a 10 m high building to the top of another building is 41o . The two buildings are 18 m apart at the base.   - How tall, to the nearest metre, is the... more
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Trig

05/10/18

the rise of a rafter drops by 3 units for every 5 units of run. Determine the angle of depression of the rafter
TRIANGLE TRIGONOMETRY
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04/30/18

Find the height of the mountain to the nearest foot.
Bob is driving along a straight and level road straight toward a mountain.  At some point on his trip, hemeasures the angle of elevation to the top of the mountain and finds it to be 24° 10′. He... more
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04/29/18

8(cos 90° + i sin 90°)/3(cos 30° + i sin 30°)
Find the following quotient, and write the quotient in rectangular form, using exact values. 8(cos 90° + i sin 90°)/3(cos 30° + i sin 30°)
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04/29/18

Express the complex number in polar form
Express the complex number in polar form and use DeMoivreʹs Theorem to find the given power. Write your answer inrectangular form. Give your answer in exact form unless otherwise specified. 29) (-... more
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04/29/18

Find the product
Find the product. Write the product in rectangular form, using exact values. [4 cis 300°] [5 cis 120°]
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04/29/18

Find the angle between the given vectors to the nearest tenth of a degree.
Find the angle between the given vectors to the nearest tenth of a degree.a = 7i + 2j,   b = -6i + 6j
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04/29/18

In how many seconds will the projectile strike the ground?
A projectile is fired with an initial velocity of 500 feet per second at an angle of 45° with the horizontal. In howmany seconds will the projectile strike the ground? (Round your answer to the... more
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