Geometry and Trig

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Angle and Arc Problem: If <BEC = 71*, EF cong. EG, arc AB = 18*, arc AE = 3*arc CD,
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7
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4K
mmm4444bot
mmm4444bot
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Find the area of the equilateral triangle
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2
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1K
stapel
stapel
M
Can someone explain, for sin(t)=a, how to get soln t=(-1)^k sin^(-1) (a) + πk ?
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2
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2K
stapel
stapel
J
Help needed with Angle to bearing conversion
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1
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967
stapel
stapel
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Geometry Similarity Question: nested similiar triangles, 2 pairs of par. lines, and
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5
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2K
Kiratani
K
D
Need help with geometric formula !
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3
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1K
Deleted member 4993
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Scalene Triangle Without Sin or Cos Rules?
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4
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1K
TreasureDragon
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The Unit Circle (can't really explain any more, sorry)
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2
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984
ksdhart2
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How to calculate the angle between the diagonal and the surface of a cube?
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2
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2K
stapel
stapel
D
Find sin² 1° + sin² 2° + sin² 3° +..... sin² 89°, tg 1° ⋅ tg 2° ⋅ tg 3° ⋅ .... ⋅ tg 8
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2
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2K
stapel
stapel
W
Calculating tension/friction forces in a model
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3
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1K
bboyson
B
S
Intersection points of circle and line when the line is parallel to y
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3
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2K
mmm4444bot
mmm4444bot
A
How to draw the same sector in a circle in perspective
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0
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835
artovbaz
A
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Trigonometric Problem Solving (True bearings)
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1
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931
stapel
stapel
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Help with solving tasks: (ctg a + tg a)/(1 + tg a) * cos a = 3/5
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1
Views
965
ksdhart2
K
C
ACT review: The length of a rectangle is 3 times the length of a smaller rectangle.
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3
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3K
stapel
stapel
S
Chord Radius Degree calc: radius is known, AB is also known
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3
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1K
Snupple
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Help Me Solve this Triangle Please! Length of BE of triangle with point ABE
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2
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1K
tbamrah
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Need help w/: Let point M be outside parallelogram ABCD s.t. angle MAB = angle MCB
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0
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2K
ebwoolf96
E
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Need help for: Triangle ACE is right. AB=AF; BC=CD. Find the area of the triangle.
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0
Views
967
Laura19981126
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