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CSC is the abbreviation for which trig function? |
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Sec is the reciprocal of which trig function? |
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In a right triangle, the sine of an angle can be determined by this ratio |
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The correct notation used to solve for A in tan(A) = .2345 is ... |
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A = tan-1(.2345)
(tan inverse of .2345) |
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If sin(B) = 2/3, then sin inverse(???) = B |
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When you draw a triangle for a shadow problem, where is the shadow on the triangle? |
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On the ground, Or the side adjacent to the angle of incline |
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In a shadow problem, where is the angle of incline? |
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It is the angle created by the horizontal side. (the angle touching the ground) |
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The correct rewritten form used to solve sin(32) = p/4 is |
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The correct way to solve; cos(44) = 6/h is |
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h = 6/cos(44) (six divided by cosine of 44) |
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In a tringle : angle A = 43 degrees, side a = 4 inches, angle B = 72 degress, side b is unknown. Where should you place side b? |
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Definition
Across from angle B
(and side "a" should be across from angle A) |
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What is the formula for the LAW OF SINES |
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[image]
(sine of any angle div by its opposite side is the same as the sine of any other angle divided by its opposite side) |
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When should you use the LAW of SINES |
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When one pair af angle and opposite side is known. |
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Whan should you use the LAW of COSINES |
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When you do not know the value of an angle AND its opposite side. SSS case, AAA case, SAS case |
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What is the formula for the LAW of COSINES in a triangle with sides n,m,k when solving for side m ? |
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Definition
m2 = n2 + k2 - 2(n)(k)Cos(M)
m and M are the incomplete pair |
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Which right triangle has sides 1, 1, and root 2? |
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A 45, 45, 90 dgree triangle |
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In a 30, 60, 90 degree triangle, the root 3 side goes across from which angle? |
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Across from the 60 degree angle |
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Complete the missing side in this right triangle : 3, 4, ??? |
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Complete the missing side in this right triangle : 5, 12, ?? |
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What is the missing side value in this right traingle: 3, ???, 5 |
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In a right triangle, the hyposenuse is 9 and one of the legs is 4. Would you add or subtract the squares of the sides to find the missing side value x? |
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Definition
Subtract.
9 squared minus 4 squared equals x squared
81 - 16 = x2
65 = x2
x is the square root of 65
√65 |
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