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Trigonometry
Page 7
Questions (13,437)
A kite flying at a height of 55m is attached to a string which makes an angle of 55 degrees with the horizontal. What is the
5 answers
asked by
Shredder
3,062 views
Evaluate the expression under the given conditions.
sin2(theta), sin(theta)=1/7(theta) in Q2
5 answers
asked by
Amanda
3,233 views
A hunter walks 400m Up a hill which slopes at an angle of 20 to the horizontal. Calculate,correct to the nearest metre, the:
a.
6 answers
asked by
Kaz
1,554 views
1.a ladder 9.6m long leans against the wall at a point 9m above the ground. find the distance of the foot.
2.a vertical fence
6 answers
asked by
Sofiat
1,432 views
The bearing of point A and B from a common point c are 030 and 290 respectively.find the bearing of a from b ,if a and b are
6 answers
asked by
Damilare
2,029 views
A salvage ship’s sonar locates wreckage at a 12 degree angle of depression. A diver is lowered 40 meters to the ocean floor.
6 answers
asked by
Anonymous
5,805 views
Use differentials (or equivalently, a linear approximation) to approximate sin(27 degrees) as follows: Let f(x) = sin(x) and
4 answers
asked by
Anonymous
2,442 views
a kite currently flying at an altitude of 16 meters above the ground. If the angle of elevation from the ground to the kite is
5 answers
asked by
jim
3,011 views
. A spotlight is mounted on a wall 7.4 feet above the floor in an office building. It is used to light a door 9.3 feet from the
4 answers
asked by
Hot girl 2025😜
301 views
from a point R,300M north of P, a man walks eastwards to a place Q which is 600m from P. find the bearing of P from Q correct to
5 answers
asked by
favs
713 views
What is the first step. Explain please.
Which expression is equivalent to cos^2x + cot^2x + sin2^x? a) 2csc^2x b) tan^2x c)
6 answers
asked by
Jake
1,141 views
The bearing of Q from P is 150 and the bearing of P from R is 015. If Q and R are 24 and 32 respectively from P. Calculate the
6 answers
asked by
cosky
2,585 views
(D2-4D+3)y=sin2xcosx
4 answers
asked by
MBU
1,170 views
From a point 120m from the foot of a building, the angles of elevation of the top and bottom of the flagpole are 49 degrees and
4 answers
asked by
Anonymous
2,277 views
point A and B are 100m apart and are of the same as the foot of a building. the angle of elevation of the top of the building
5 answers
asked by
Anonymous
4,312 views
Draw the unit circle and a first-quadrant ray from the origin that makes an angle theta with the positive x-axis. Let B be the
5 answers
asked by
yadlay
2,373 views
if y=cos^2x-sin^2x, then y'=
5 answers
asked by
John
3,237 views
solve 3sin(pi/4*x)=2 for the four smallest positive solutions
4 answers
asked by
lynn
3,166 views
let theta be an angle of quadrant IV such that sin theta = -8/9 find the exact value of sec theta and cot theta?
5 answers
asked by
JOHNNY
5,602 views
Surveying
A surveyor wishes to find the distance across a swamp. The bearing from A to B (Segment AB is opposite side of
5 answers
asked by
AwesomeGuy
7,631 views
a boy is 20m away from a tree, and he observes that the angle of elevation of a bird on the tree is 58°. He is 1.7m tall. How
7 answers
asked by
yemi
2,334 views
Use the rated acute angle to state an equivalent expression
Tan110 The answer is tan290. Why isn't it 70? Please explain
20 answers
asked by
Crystal
3,844 views
when the angle of elevation of the sun is 58degrees a vertical pole casts a shadow of length 5m on a horizontal ground .find the
6 answers
asked by
shekem
885 views
John wishes to determine the height of a flagpole. He takes a sighting of the top of the flagpole from point P. He then moves
4 answers
asked by
Shane
2,130 views
a kite with a string 150 feet long makes an angle 45 with the ground, assuming the string is straight ,how high is the kite?
4 answers
asked by
shandy
4,195 views
if tan theta = 1/7 and tan phi= 1/3 then prove that cos 2 theta= sin 4 phi
4 answers
asked by
ipshita
5,017 views
How do I do this? Without a calculator, determine two angles between 0 degrees and 360 degrees that have a cosine of negative
4 answers
asked by
Tristan
1,425 views
If angle X is an acute angle with sinX=3/5, what is the value of secX?
45 52 53 54
4 answers
asked by
M
318 views
Given that cos 13pi/18=sin y, first express 13pi/18 as a sum of pi/2 and an angle, and then apply a trigonometric identitiy to
4 answers
asked by
uwu
750 views
52. Liola drives 19 km up a hill that is at a grade of 15o. What horizontal distance, to the nearest tenth of kilometer, has she
3 answers
asked by
Please Help
840 views
A girl is standing 6m at thesame level with a tree of 8m . Calculate the distance from the top of the tree to where the girl is
3 answers
asked by
ajame
729 views
a 30 feet ladder resting against a building makes a 60 angle with the ground . find the Height from the ground at which the
4 answers
asked by
:)
3,331 views
A 25 ft ladder is leaning against a vertical wall. At what rate (with respect to time) is the angle theta between the ground and
4 answers
asked by
questioner
899 views
From the top of a building 21.0 m tall, the angle of elevation of the top of a taller building is 46. The angle
of depression
4 answers
asked by
kms
3,708 views
The angle of depression from the top of a building of height 41metres of the stationary car is 52 degree.find the distance
6 answers
asked by
lomo
618 views
a hill slopes upward at an angle of 14 degrees with the horizontal ground.what height does the man reach when he has traveled
4 answers
asked by
ein
1,907 views
Write expressions for other five trigonometric ratios for each acute angle:
a. csc(theta 0) = a/b b. sec(beta B) = x+1/x-1, x not
3 answers
asked by
amber
1,679 views
what is the reference angle for 17 pi/12?
3 answers
asked by
Brandon
2,669 views
The height h in inches of pistons 1 and 2 in an automobile engine can be modeled by h1 = 3.75sin(733t) + 7.5 and h2 =
3 answers
asked by
Jane
966 views
From a point on the ground 25 ft. from the foot of the tree, the angle of elevation of the top of the tree is 32 degrees. How do
4 answers
asked by
Joy
2,677 views
The high level bridge, a railway bridge that crosses the Oldman River is over 1km long. From one point on the river, the angle
4 answers
asked by
garry
821 views
Simplify to a single term
Sin(540-x).sin(-x) -cos(180-x).sin(90+x)
3 answers
asked by
Hope
1,079 views
Fire lookout towers are used to locate fires so they can be put out as soon as possible. These towers often work in networks and
3 answers
asked by
Sydney
1,329 views
If a boat is travelling 25° south of straight east, what is its true bearing?
3 answers
asked by
Gabe
388 views
Find the values of the trigonometric functions of the acute angles of
the right triangle ABC, given the other side is a =2 and
4 answers
asked by
SAMK
601 views
A boat sails 150km on a bearing of 042degree and then 250km due east.how far is the boat from the starting point?
2 answers
asked by
basit
133 views
a special right triangle drawn in quadrant I intersects the unit circle at point (x,y) where y = √2/2. what is the value of x
1 answer
asked anonymously
164 views
point P on the unit circle is given. what is the sine of the angle formed by a terminal ray that intersects the unit circle at
1 answer
asked anonymously
50 views
A boy 1.2m tall stands 6m away from the foot of a vertical land pole 4.2m long. If the land is at the top of the
1 answer
asked by
wilson
660 views
two wires support a pole in opposite directions. they make angles of 36° and 42° with the horizontal, and the points where
2 answers
asked by
kenneth
528 views
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