Recent questions tagged exercise3-1

Find the angle in radian through which a pendulum swings if its length is 75cm and the tip describes an arc of length 21cm

asked Apr 16, 2014 by sreemathi.v

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Find the angle in radian through which a pendulum swings if its length is 75cm and the tip describes an arc of length 15cm

asked Apr 16, 2014 by sreemathi.v

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Find the angle in radian through which a pendulum swings if its length is 75cm and the tip describes an arc of length 10cm

asked Apr 16, 2014 by sreemathi.v

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If in two circles arcs of the same length subtend angles $60^{\large\circ}$ and $75^{\large\circ}$ at the centre,find the ratio of their radii

asked Apr 16, 2014 by sreemathi.v

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In a circle of diameter 40cm,the length of a chord is 20cm.Find the length of the minor arc of the chord

asked Apr 16, 2014 by sreemathi.v

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Find the degree measures of the angle subtended at the centre of a circle of radius 100cm by an arc of length 22cm (use $\pi=\large\frac{22}{7})$

asked Apr 16, 2014 by sreemathi.v

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A wheel makes 360 revolutions in one minute.Through how many radians does it turn in one second?

asked Apr 16, 2014 by sreemathi.v

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Find the degree measures corresponding to the following radian measures :- $\large\frac{7\pi}{6}$

asked Apr 16, 2014 by sreemathi.v

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Find the degree measures corresponding to the following radian measures :-$\large\frac{5\pi}{3}$

asked Apr 16, 2014 by sreemathi.v

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Find the degree measures corresponding to the following radian measures:-$-4$ radians

asked Apr 16, 2014 by sreemathi.v

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Find the degree measures corresponding to the following radian measures :-$\large\frac{11}{16}$

asked Apr 16, 2014 by sreemathi.v

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Find the radian measures corresponding to the following degree measures :-$520^{\large\circ}$

asked Apr 16, 2014 by sreemathi.v

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Find the radian measure corresponding to the following degree measure :-$240^{\large\circ}$

asked Apr 16, 2014 by sreemathi.v

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Find the radian measures corresponding to the following degree measures :-$-47^{\large\circ}30'$

asked Apr 16, 2014 by sreemathi.v

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Find the radian measures corresponding to the following degree measures :-$25^{\large\circ}$

asked Apr 16, 2014 by sreemathi.v

1 answer

For what values of $\mathit{x}$ and $\mathit{y}$, the numbers $-3+\mathit{ix^{2}y}$ and $\mathit{x^{2}}+y+4\mathit{i}$ are complex conjugate of each other$?$

asked Apr 1, 2013 by geethradh

1 answer

Find the real values of $\mathit{x}$ and $\mathit{y}$ for which the following equation: $\sqrt{x^{2}+3x+8} + \left ( x+4 \right )\mathit{i} = \mathit{y}\left (2 + \mathit{i} \right )$

asked Apr 1, 2013 by geethradh

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Find the real values of $\mathit{x}$ and $\mathit{y}$ for which the following equation: $\large\frac{\left ( 1+\mathit{i} \right )\mathit{x}-2\mathit{i}}{3+\mathit{i}} + \frac{\left ( 2-3\mathit{i} \right )\mathit{y}+\mathit{i}}{3-\mathit{i}} = $$\mathit{i}$

asked Apr 1, 2013 by geethradh

1 answer

Find the real values of $\mathit{x}$ and $\mathit{y}$ for which the following equation: $\left ( 1-\mathit{i} \right )\mathit{x} + \left ( 1+\mathit{i} \right )\mathit{y} = 1-3\mathit{i}$

asked Apr 1, 2013 by geethradh

1 answer

Find the least positive integer $\mathit{n}$ such that $\left ( \large\frac{1+\mathit{i}}{1-\mathit{i}} \right )^{\mathit{n}}$$ = 1$

asked Apr 1, 2013 by geethradh

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Find the real and imaginary parts of the following complex numbers: $\left ( 2+i \right )\left ( 3-2i \right )$

asked Apr 1, 2013 by geethradh

1 answer

Find the real and imaginary parts of the following complex numbers: $\large\frac{2+5i}{4-3i}$

asked Apr 1, 2013 by geethradh

1 answer

Find the real and imaginary parts of the following complex numbers: $\large\frac{1}{1+i}$

asked Apr 1, 2013 by geethradh

1 answer

Express the following in the standard form $a + ib$: $\large\frac{i^{4}+i^{9}+i^{16}}{3-2i^{8}-i^{10}-i^{15}}$

asked Apr 1, 2013 by geethradh

1 answer

Express the following in the standard form $a + ib$: $\left ( -3+i \right )\left ( 4-2i \right )$

asked Apr 1, 2013 by geethradh

1 answer

Express the following in the standard form $a+ib$: $\large\frac{\left ( 1+i \right )\left ( 1-2i \right )}{1+3i}$

asked Apr 1, 2013 by geethradh

1 answer

Express the following in the standard form $a + ib$: $\large\frac{2\left ( i-3 \right )}{\left ( 1+i \right )^{2}}$

asked Apr 1, 2013 by geethradh

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