576 Answered Questions for the topic Trig
If cot ( x ) = 3 10 (in Quadrant-I), find sin ( 2 x )
any help will be great :)
If a wheel of diameter 8 in. is rotating 10 degree/sec., then its linear velocity is ( ? ) pi in/sec.
If cos α = 0.923 and cos β = 0.624 with both angles’ terminal rays in Quadrant-I, find the values of (a) cos ( α + β ) = (b) cos ( β − α ) =
I need to find it the the 4th decimal any help would be appreciated?
Solve sin ( 4 x ) cos ( 6 x ) − cos ( 4 x ) sin ( 6 x ) = − 0.2 for the smallest positive solution.
On a circle of radius 6 feet, the angle (in degree) that would subtend an arc of length 12 feet is approximate ( ? ) degree. Round to a whole degree.
High Roller in Las Vegas takes about 30 minutes to make one revolution, which means its angular velocity is ( ? ) pi radians per minute.
If the equation of the circle is (x-1)^2 + (y+3)^2 = 16 and the sector of the circle has a central angle of 90 degree. Its arc length is ( ? ) pi cm.
the radius of the earth is 3960 miles. the distance along an arc on the surface of the earth that subtends a central angle of 5 minutes (1min. =1/60 degree) is approximately ( ? ) miles.
Assume that 0≤𝜃≤𝜋/2. Find the values of sin(𝜃) and tan(𝜃) if cos(𝜃)=7/25. (Use symbolic notation and fractions where needed)
Find the angle between 0 and 2𝜋 that is equivalent to 41/4𝜋. (Use symbolic notation and fractions where needed.)
Trigonometry Grade 11
A pool player is practicing angles. She hits a ball 2 feet to the bumper. The ball then rebounds at an angle of 74°travelling 3 feet away from the bumper. How far from the original location will... more
On a circle of radius 12cm, the length of the arc that subtends a central angle of 120 degrees is ( ? )pi cm
Trig Math Functions
The crows nest of the yacht A is 50 meters above the water. The angle of depression from the nest to a buoy due west is 40 degrees, and to a second buoy of 34 degrees which is located S70degreesW... more
Find the x intercept(s) of the circle with center (1,1) with radius sqrt 3
The coordinate of x is ( ? ).
At what x-coordinate in the first quadrant does the line with equation y=x+3 intersect a circle with radius 2 sqrt 2 and center (0, 3)
Write an equation of the circle whose center shifted 1 unit to the left and 2 units up from the origin and its circumference is 16 pi.
Write an equation of a circle centered at (3,-7) that passes through (15,13)
what would this be on a graph
circle: center is (-1,-3) and its area is 4Pi.
Horse Vector Problem
I am trying to get my horse to pull a plow in a specific direction. But the horse only wants to pull in the direction of 30 degrees north of east. Therefore, I need to pull on another line to keep... more
Airplane Trig Problem
An airplane with a top speed of 350 mph needs to maintain a course due east. However, it is a particularly windy day, and the wind speed is 65 mph blowing 43 degrees north of east. In what... more