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Trigonometry
Page 8
Questions (13,443)
A clockwise rotation represents a negative angle true or false
1 answer
asked anonymously
23 views
A boat is heading towards a lighthouse, whose beacon-light is 111 feet above the water. From point AA, the boat’s crew
1 answer
asked by
trose
57 views
A right triangle has a angle of x an adjacent of 29 and an oppisite of 14
Solve for x. Round to the nearest tenth. Please show
1 answer
asked by
ditto
52 views
Find the period and the amplitude of the periodic function.
y = - 4cos 8x (1 point) period= 1/4 amplitude= 4 period= 1/4 * pi ,
1 answer
asked anonymously
31 views
tan (1 point) Responses Image with alt text: square root of three – – Image with alt text: square root three over three –
1 answer
asked anonymously
9 views
What are the ratios for sin A and cos A? The diagram is not drawn to scale.
triangle (1 point) Responses sin A =20 over 29 , cos
1 answer
asked anonymously
37 views
Which is the radian measure of an angle whose sine is 0.8? Round your answer to two decimal
places. (1 point) 0.93 4.06 -2.22
1 answer
asked by
Unknown
23 views
Find the angle θ between your 2 vectors. Show your work and final answer. Make sure your final angle θ is in radians not
6 answers
asked by
Unknown
15 views
A basketball player shoots the ball with an initial velocity of 14.4 ft./sec. at an angle of 41.9° with the horizontal. To the
3 answers
asked anonymously
33 views
A lighthouse is 9.6 nautical miles from a ship which bears 156 degrees from the lighthouse. How far is the ship east of the
1 answer
asked by
Seymour
112 views
Solve for x given the interval of [0,2pi).
cos^2x=2+2sinx I got (3pi)/2 or 270 degrees.. By the way, does the notation [0,2pi)
4 answers
asked by
Anonymous
3,841 views
A ladder 42 feet long is place so that it will reach a window 30 feet high (first building) on one side of a street; if it is
7 answers
asked by
Alianne
5,297 views
Find value of tan75/2
9 answers
asked by
Ram
3,398 views
Solve 4sin(pi/4x) = 3 for the four smallest positive solutions
5 answers
asked by
Shre
4,231 views
A pilot of an airplane flying at 12,000 feet sights a water tower. The angle of depression to the base of the tower is 25°.
3 answers
asked by
Peter
1,818 views
1.A plane takes off at an angle of 6 degrees traveling at the rate of 200 feet/second. If it continues on this flight apth at
9 answers
asked by
Ms. Suzie
5,164 views
If θ is an angle in standard position and its terminal side passes through the point (20,-21), find the exact value of sec(θ).
6 answers
asked by
Anonymous
15,242 views
A student stands 20m away from the foot of a tree and observes that the angle of elevation of the top of the tree , measured
4 answers
asked by
Anonymous
691 views
How do you use the half angle formulas to determine the exact values of sine, cosine, and tangent of the angle
157 ∘ 30 ' ?
5 answers
asked by
Jackie
1,974 views
write sec theta in terms of sin theta when theta lies in quadrant III
4 answers
asked by
Bonnie
3,664 views
A mountain peak C is 4130 ft. Above sea level, and from C the angle of elevation of a second peak B is 5.0°. An aviator at A
4 answers
asked by
temaru
1,543 views
how to i find the six trig values for (7pi/3)
4 answers
asked by
Rak
1,895 views
Suppose that (x,5/13) is a point in quadrant 2 lying on the unit circle. Find x. Write the exact value, not a decimal
5 answers
asked by
Julia Hunt
6,535 views
Find the values of the inverse function in radians.
tan^-1(0.09) answer choices: a.-0.09+2pi n b. no such angle exists c.-1.48+
4 answers
asked by
Steve
2,853 views
Rewrite cos(tan^-1(v)) as an algebraic expression in v.
Can someone help me with this problem? Thanks
5 answers
asked by
Jennifer
1,860 views
Simplify the following expression to a single trigonometric term sin(360-x)*tan(-x)/cos(180 x)*(sin^2A cos^2A) answer=
3 answers
asked by
steve
1,359 views
a balloon rises at a rate of 3 meters per second from a point on the ground 30 meters from an observer. find the rate of change
5 answers
asked by
dave
5,463 views
An airplane leaves airport A and flies 200 km. At this time its bearing from Airport B, 250 km to the west, is 120 degrees. How
4 answers
asked by
Lyndsie
1,359 views
tan^-1(1.73 degrees)
4 answers
asked anonymously
81 views
Use tables to evaluate the following and show your workings. @sin 73 (b)cos 47 (c)tan 52 (d)sin 23
2 answers
asked anonymously
94 views
a pilot wants to fly on a bearing of 66.4 degrees. by flying due east, he finds that a 57-mph wind, blowing from the south, puts
3 answers
asked by
brandy
1,771 views
Which value for x is a solution to cosx = sqrt of 2/2?
a) -9pi/4 b) 3pi/4 c) -3pi/4 d) 4pi/3 What is the first step I should do?
4 answers
asked by
Jake
728 views
Evaluate sin(29 degrees)cos(31 degrees) + cos(29 degrees)sin(31 degrees) exactly, without using a calculator.
4 answers
asked by
Victoria
1,374 views
A ladder leans leans against a building that has a wall slanting away from the ladder at an angle of 96 degrees with the ground.
4 answers
asked by
K.C
3,907 views
At a distance of 34 feet from the base of a flag pole, the angle of elevation to the top of a flag is 48.6°. The flag itself is
4 answers
asked by
Anonymous
3,878 views
Which of the following values for theta is a counterexample to the claim that cos(pi-theta)=cos (theta) is an identity?
a)
4 answers
asked by
Genevieve
114 views
A ladder leaning against a house makes an angle of 60° with the ground. The bottom of the ladder is 7 feet from the foundation
17 answers
asked by
boopboooooop
153 views
The point (1/3,1/4) lies on the terminal side of an angle.
Find the exact value of the six trig functions, and explain which
4 answers
asked by
Lucy
2,382 views
A missile rises vertically from a point on the ground 75,000 feet from a radar station. If the missile is rising at the rate of
4 answers
asked by
Jen
2,434 views
A ship sailed on a bearing 140 degrees. It was then 90 km south of its orignal position.
a) draw a diagram to show the ship's
4 answers
asked by
philippa
974 views
what is tan2a if sina=1/2
5 answers
asked by
skorge
2,193 views
Which cosine function has maximum of 0.5, a minimum of -0.5, and a period of 2π/3?
5 answers
asked by
Sherrie
5,877 views
if tan=15/8 and cos negative then what is the value of [sin(-a)-cosa]/[tan(-a)+sec(-a)]
5 answers
asked by
Anwar
6,123 views
Express each of the following in terms of another angle between 0 degrees and 180 degrees
a. sin 50 degrees b. sin 150 degrees c.
5 answers
asked by
becky
2,355 views
if y=tan u , u=v-1÷v, and v=ln x , what is the value of dy÷dx at x=e?
4 answers
asked by
Anonymous
691 views
Rewrite 47.10° in radian measure. Round to three decimal places.
a. 0.164 b. 0.099 c. 0.822 d. 0.123 e. 0.148
4 answers
asked by
Anonymous
2,681 views
The height in metres of the water in a harbour is given approximately by the formula d=6+3cos30t, where t is the time in hours
5 answers
asked by
David
1,474 views
A forest ranger in a 140-foot observation tower sees a fire moving in a direct path toward the windmill by the lake. The angle
7 answers
asked by
Snake
4,011 views
WHAT IS 5pi/16 IN DEGREES?
4 answers
asked by
YAJI
1,146 views
A ship leaves port 21km on a bearing of 032 degree & 45km on a bearing of 287degrees
a, calculate it's distance from the port b,
4 answers
asked by
Anonymous
1,244 views
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