A railway is inclined at an angle of 1° to the horizontal. Find the vertical height climbed when a train travels 1 km up the hill
What is 17.45 m vertically
100
Two angles in the same plane with a common vertex and a common side, but no common interior points.
What is adjacent angles
100
means to subtract
What is does inverse mean?
100
plane figure with three straight sides and three angles.
What is a triangle
200
cosine of x
What is adjacent/hypotenuse
200
The string of a kite is 120 m long and makes an angle of 70° with the horizontal. What is the height of the kite?
What is 112.8 m
200
A trigonometric function of an angle equal to the reciprocal of its tangent
What is cotangent
200
branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant functions of any angles.
What is Trigonometry
300
tangent of x
What is opposite/adjacent
300
Verify that (sinA)^2 + (cosA)^2 = 1 for this angle measure
What is yes
300
all the trig functions
What is sine, cosine, tangent, cotangent, secant and cosecant.
300
A trigonometric function of an angle, defined as the ratio of the length of the side opposite to the angle to the length of the hypotenuse in a right triangle. <<< the reciprocal of
What is cosine
300
cos =
What is adjacent/ hypotenuse
400
cosecant of x
What is hypotenuse/opposite
400
triangle with three equal sides
What is equiangular triangle
400
trigonometric function of an angle equal to the reciprocal of its cosine, that is, sec x = 1/cos x.
What is secant
400
sin =
What is opposite/ hypotenuse
500
cotangent of x
What is adjacent/opposite
500
Verify that (sinA)^2 + (cosA)^2 = 1 for this angle measure
What is yes
500
the side opposite to the right angle in a triangle