Hosted
by
Mr. Guthrie
Trig Identities
Coordinate
Trig
Trig Problems
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Definitions
What is opposite, adjacent, and hypotenuse?
Relative to the acute angle of a
right triangle, the three sides of
a right triangle are the ?
Row 1, Col 1
What is 1?
Simplify tan A cot A.
1,2
What is 241?
Determine the value of r for
the coordinates (-10, 8).
1,3
What is 11.5?
A right triangle has an acute
angle measuring 50 with an
hypotenuse of length 15. Find
the length of the opposite side
to the nearest tenth.
1,4
What is sin A = opp/hyp, cos A = adj/hyp, and tan A = opp/adj?
Define sin, cos, and tan by a
right triangle with acute
angle A.
2,1
What is sin2x + cos2x, sec2x – tan2x, and csc2x – cot2x?
State the three Pythagorean
Identities so that they all
Equal 1.
2,2
What are sinA=5/13, cosA=-12/13, and tanA=-5/12?
State the values of sine, cosine,
and tangent whose coordinates
are (-24, 10).
2,3
What is - 13/2?
If tan  = 3/2 and the terminal
side of  lies in Quadrant III,
what is the value of sec ?
2,4
What is 1.3432?
Use a calculator to evaluate the
csc 4807
3,1
What is 3?
If csc  = 3 and sec  = 32/4,
what is sec (90 - )?
3,2
What is 60 and /3?
Find the reference angle for
120 and 5/3?
3,3
What is  = 210 and 330?
Find two solutions for the
equation that is between
0 and 360: sin  = - ½
3,4
What is quadrant IV?
State the quadrant in which  lies:
cot  > 0 and cos  > 0
4,1
What is sin2?
Simplify (1 + cos )(1 – cos ).
4,2
What is sin -17/6 = - ½, cos -17/6 = - 3/2, and tan -17/6 = 3/3?
Evaluate the sine, cosine, and
tangent of - 17/6 without
using a calculator.
4,3
What is 235.8 feet?
A guywire is stretched from the
top of a 200-foot broadcasting
tower to an anchor making an
angle of 58 with the ground.
How long is the wire?
4,4
What is 997/97?
If cot  = 9/4, what is cos ?
5,1
What is csc  sec ?
Simplify:
sin  cos 

cos  sin 
5,2
What is sec  = - 2?
The terminal side of  lies on the
line y = - x and in Quadrant II ,
find the value of sec  by
finding a point on the line.
5,3
What is 9.594?
A ramp 20 feet in length rises to
a loading platform that is 3 1/3
feet off the ground. Find the
angle of elevation.
5,4