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Trigonometry
Page 5
Questions (13,437)
an airplane flying at 550 miles per hour has a bearing of N 52(DEGREES)E. After flying 1.5 hours, how far north and how far east
5 answers
asked by
sara
5,842 views
Angle a lies in the second quadrant and sina=7/25.
a) Determine an exact value for cos 2a b) Determine an exact value for sin 2a
5 answers
asked by
Anonymous
3,169 views
A hot-air balloon is floating above a straight road. To estimate their height above the ground, the balloonists simultaneously
5 answers
asked by
John
8,928 views
cos(2tan^-1(15/8))
4 answers
asked by
Amanda
1,759 views
A 100-foot vertical antenna is on the roof of a building. From a point on the ground, the angle of elevation to the top and the
4 answers
asked by
heather
2,083 views
A search and rescue aircraft, travelling at a speed of 240 km/h starts out at a heading of N 20 degrees West. After travelling
3 answers
asked by
Sara
1,635 views
A water tower is located x = 375 ft from a building (see the figure). From a window in the building, an observer notes that the
4 answers
asked by
Beth
10,116 views
Two fire stations,P and Q,are 20 km apart. A ranger at station Q sees a fire 15.0 km away. If the angle between the line PQ and
6 answers
asked by
Nada
3,726 views
Angle of elevation from the sun is 45 degree.a tree has a shadow 12m long.find the height of this tree.
4 answers
asked by
Ebi asawo
1,094 views
A kite flying in the air has an 11-ft line attached to it its line is pulled taut and casts a 9-ft shadow find the height of the
6 answers
asked by
Michael
6,397 views
Which of the following could be a coterminal angle for -5pi/4?
19pi/4 7pi/4 -17pi/4 -25pi/4 I've done my math twice, but I can't
5 answers
asked by
Max
2,952 views
P and Q are two observation posts on the same horizontal ground as the foot R of a vertical pole RT. P is 2.5km south of R. Q is
5 answers
asked by
Thompson
1,499 views
The height, h, in metres, above the ground of a rider on a Ferris wheel can be modelled by the equation:
h= 10 sin ((pi/15 t) -
4 answers
asked by
-
5,039 views
Find the angle elevation of the top of a flagpole 31.9m high from a point 55m away on level ground
11 answers
asked by
Kay
2,554 views
A hot air balloon is observed from two points A and B on the ground A and B are 800 feet apart the balloon is east of both
4 answers
asked by
Adreeanna
4,913 views
Two observers P and Q 15m apart observe a kite in the same vertical plane and from the same side of the kite.The angle of
19 answers
asked by
Debbie
5,760 views
If tan(x)= -(3/4) and x is obtuse, evaluate sin(2x).
How do I get started on this question?
5 answers
asked by
Lucy X
1,531 views
if sin p = 3/5 and p is an acute angle, what is the value of tan p.
10 answers
asked by
Sofa
4,499 views
From the top of the control tower 250 m tall, an airplane is sighted on the ground below. If the airplane is 170 m from the base
7 answers
asked by
Daniela
3,724 views
a guy wire is 15m long. it supports a vertical television tower. the wire is fastened to the ground 9.6m out from the base of
4 answers
asked by
lex
2,618 views
I can't figure out this one question...
A ship is docked in port and rises and falls with the waves. The function d(t) =
6 answers
asked by
Crystal
2,774 views
A surveyor stands 150ft from the base of a tree and measures the angle of elevation to be 46.2. His eye level is 6feet above the
5 answers
asked by
BT
1,818 views
A man walks directly from point A towards the foot of a tall building 240m away. After covering 180m, he observes that the angle
9 answers
asked by
king
2,553 views
Observers at P and Q are located on the side of a hill that is inclined 32° to the horizontal, as shown. The observer at P
4 answers
asked by
e
4,214 views
Sam and markus are standing on level ground 100m apart. A large tree is due north of markus and on a bearing of 65degrees from
5 answers
asked by
putri
3,661 views
Two walkers set off at the same time from a crossroad and walk along flat straight roads inclined to each other at 68 degrees.If
6 answers
asked by
Shane
971 views
What is the reference angle for (27 pi)/5?
4 answers
asked by
Beth
1,481 views
8sinxcosx=1
I don't know where to go after 2sinxcosx=1/4
5 answers
asked by
Lily
1,809 views
If θ is an angle in standard position and its terminal side passes through the point (-1,3), find the exact value of
5 answers
asked by
Anonymous
14,567 views
Find the missing value to the nearest hundredth.
tan (?) = 15
6 answers
asked by
anon
2,535 views
A kite is flying 10ft off the ground. Its line is pulled taut and casts an 8ft shadow. Find the length of the line. If
4 answers
asked by
Gage
1,141 views
Find the angle of elevation of the flagpole's top, 31.9m high, from a point 55 m away on ground level.
4 answers
asked by
Anonymous
847 views
what is the bearing of Y from X if the bearing of X from Y is 129°.
5 answers
asked by
oluwole
1,811 views
A ladder of length 5.8m is placed against the wall so that the foot of the ladder is 3.6m from the wall. Calculate the angle the
7 answers
asked by
Ifeoma
1,234 views
What is the value of h?
*image of a right triangle with the other two angles labeled as 45 degrees. The base is un-labeled, the
10 answers
asked by
...
7,039 views
A ladder 5 meter long leans against the wall of an apartment house forming an angle of 50 degrees, 32 minutes with the ground.
4 answers
asked by
Roy
5,451 views
For how many values of x will the tangent lines to y=4sinx and y=x^2/2 be parallel?
A. 0 B. 1 C. 3 D. 4 E. Infinite Thanks.
4 answers
asked by
Anonymous
3,065 views
If x = 18cos^3θ and y = 18sin^3θ, find the total length of the curve swept out by the point (x,y) as θ ranges from 0 to 2π.
4 answers
asked by
Sam
2,794 views
We can find some of the solutions of
sin x = 0.2 graphically by graphing y = sin x and y = 0.2 (I was able to figure this one
4 answers
asked by
Angela
3,795 views
The angle of depression from a hot air ballon in the air to a person on the ground is 36 degrees. If the person steps back 10ft
4 answers
asked by
taylor
2,216 views
a person standing 400 feet from the base of a mountain measures the angle of elevation from the ground to the top of the
5 answers
asked by
John
3,053 views
A ladder 25 feet long is leaning against a vertical wall. If the bottom of the ladder is pulled horizontally away from the wall
4 answers
asked by
Squidward
2,006 views
If 5cosA+3=0 and 180⁰<A<306⁰ determine by means of a diagram tan²A
4 answers
asked by
Bontle
431 views
Three towns a, b, and c are such that the distance between a and b is 50km and the distance between a and c is 90km. if the
7 answers
asked by
value
3,452 views
How can I find the exact value of Sin 480 degrees? Thanks
6 answers
asked by
Rachal
6,271 views
Write the ratios for sin A and cos A. The triangle is not drawn to scale.
*right triangle. 14 on the side. 50 on the slant. and
11 answers
asked by
Anonymous
10,317 views
3) From two tracking stations A and B, 350 km apart, a UFO is sighted at C above AB making angle CAB = 32 degrees and angle CBA
10 answers
asked by
Crystal
1,662 views
There are two signposts A and B on the edge of the road. A is 400 m to the west of b. A tree is on a bearing of 060 degree from
3 answers
asked by
Kid
880 views
how many solutions are there to
csc^2x=25 (0≤x<2π)
3 answers
asked by
Jack
967 views
a window in one building, the angle of elevation to the top of a second, taller building is 38°. The angle of depression to the
3 answers
asked by
khalaf Albari
690 views
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