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index of any digit is 0 then it is equal to one according to mathematics's rule. therefore a degree is equal to 1.
It is easy to draw an equilateral triangle without a protractor. That gives a 60 degree angle. It is then simply a matter of bisecting the 60 degree angle, using an unmarked rule and compass, to get a 30 degree angle.
The two base angles are congruent or equal measure. Find one angle and use the 180 degree rule and you can find all three.
Yes. The parameters of the t distribution are mean, variance and the degree of freedom. The degree of freedom is equal to n-1, where n is the sample size. As a rule of thumb, above a sample size of 100, the degrees of freedom will be insignificant and can be ignored, by using the normal distribution. Some textbooks state that above 30, the degrees of freedom can be ignored.
It can be any number you like. It is alwayspossible to find a polynomial of degree 7 that will fit all the given values as well as the additional point.You can fit the following rule:Un = (9n6 - 235n5 + 2395n4 - 12025n3 + 30836n2 - 37300n + 16560)/80 for n = 1, 2, 3, ... and, according to that position-to-value rule, the next number is 45.This may not be the rule you want, but it is a perfectly valid rule.
The rule for a rotation by 180° about the origin is (x,y)→(−x,−y) .
(x,y) to (x,-y). You would keep the x the same, but turn the y negative. This is actually the rule for a 90 degree counterclockwise rotation, but they're the same thing, they would go to the same coordinates.
(x; y) --> (x.cos45 + y.sin45; x.sin45 - y.cos45)
(x,y) to (x,-y). You would keep the x the same, but turn the y negative. This is actually the rule for a 90 degree counterclockwise rotation, but they're the same thing, they would go to the same coordinates.
(x,y)-> (-y,x)
270 rule represent a 270 rotation to the left which is very easy
plz awnser this
The effect of the rotation is the same as that of a 90 degree clockwise rotation. In matrix notation, it is equivalent to [post-]multiplication by the 2x2 matrix: { 0 1 } {-1 0 }
change the sign, but DONT switch the coordinates (:
(x, y) -> (-x, -y)
First of all, if the rotation is 180 degrees then there is no difference clockwise and anti-clockwise so the inclusion of clockwise in the question is redundant. In terms of the coordinate plane, the signs of all coordinates are switched: from + to - and from - to +. So (2, 3) becomes (-2, -3), (-2, 3) becomes (2, -3), (2, -3) becomes (-2, 3) and (-2, -3) becomes (2, 3).
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