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Trigonometry
If the central angle =10 rad, and the area of the sector formed is 25 square units, find the area of the circle.
Trigonometry
A vertical tower is 20 m high. A men standing at some distance from the
tower knows that the cosine of the angle of elevation of the top of the tower is 0.53
.How far is he standing from the froot of the tower ?
tower knows that the cosine of the angle of elevation of the top of the tower is 0.53
.How far is he standing from the froot of the tower ?
Trigonometry
if secθ - tanθ= p find value of secθ and tanθ
Trigonometry
sec(x)+tan(x)=2+squareroot{5} then find sin(x)+cos(x)
Trigonometry
Let sin x = .77 and sin y = .33. Which of the following is cos 2x + cos 2y?
A. .62
B. .60
C. -.20
D. -.24
A. .62
B. .60
C. -.20
D. -.24
Trigonometry
If cos(2m) = .11, which of the following is (cos m)2?
A. 0.555
B. 1.11
C. 2.22
D. .0745
A. 0.555
B. 1.11
C. 2.22
D. .0745
Trigonometry
Let sin p = .71. Which of the following is cos(2p)?
A. -.0082
B. .082
C. -.82
D. .0082
A. -.0082
B. .082
C. -.82
D. .0082
Trigonometry
If sin a = .25 and cos b = .25, which of the following is sin b/2 + cos a/2 ?
A. 1.60
B. 1.32
C. .26
D. 1.06
A. 1.60
B. 1.32
C. .26
D. 1.06
Trigonometry
Let cos p =.22. Which of the following is cos p/2 ?
A. .07
B. .78
C. .70
D. .80
A. .07
B. .78
C. .70
D. .80
Trigonometry
Let sin m = .11. Which of the following is sin m/2?
A. .79
B. .78
C. .77
D. .05
A. .79
B. .78
C. .77
D. .05
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#339914 on Dec 2023
#339914 on Dec 2023