Recent questions tagged class10

The value of $ \sin ^2 32+ \sin ^2 58$ is ________

asked Nov 4, 2014 by meena.p

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If $\sqrt{13-a\sqrt{10}}=\sqrt8+\sqrt 5$,then the value of $'a'$ are __

asked Nov 4, 2014 by sreemathi.v

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If $x= r \sin \theta \cos \phi , y = \sin \theta \sin \phi $, and $z= r \cos \theta ,$ then

asked Nov 4, 2014 by meena.p

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The HCF of the smallest composite number are the smallest prime number is ________

asked Nov 4, 2014 by sreemathi.v

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If $ a \cot \theta + b\; cosec \theta =p$ and $b \cot \theta + a\; cosec \theta =q ,$ then $p^2-q^2=$

asked Nov 4, 2014 by meena.p

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$\cos ^4 A - \sin ^4 A =$

asked Nov 4, 2014 by meena.p

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The sum of the exponents of the prime factors in the prime factorization of $196$ is ____

asked Nov 4, 2014 by sreemathi.v

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If $\large\frac{\sin \theta}{1+\cos \theta}=$

asked Nov 4, 2014 by meena.p

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The LCM of two numbers is $1200$.Then the number which is not its HCF is _____

asked Nov 4, 2014 by sreemathi.v

1 answer

If the product of two numbers is 1080 and then HCF is $30$,then its LCM is _____

asked Nov 4, 2014 by sreemathi.v

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If the LCM of $a$ and $18$ is 36 and HCF of $a$ and $18$ is $2$ then $a$=

asked Nov 4, 2014 by sreemathi.v

2 answers

If HCF(26,169)=13,then LCM(26,169)=____

asked Nov 4, 2014 by sreemathi.v

1 answer

The smallest number that when divided by $35,56$ and $91$ leaves remainders of in each case

asked Nov 4, 2014 by sreemathi.v

1 answer

The LCM and HCF of two numbers are $180$ and $6$ respectively.If one number is $30$,then the other number is _______

asked Nov 4, 2014 by sreemathi.v

1 answer

Given that HCF (306,657)=9 then LCM (306,657) is ______

asked Nov 4, 2014 by sreemathi.v

1 answer

$\large\frac{125}{441}$ is a ______ decimal

asked Nov 4, 2014 by sreemathi.v

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$\large\frac{13}{3125}$ is a ________ decimal

asked Nov 4, 2014 by sreemathi.v

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If $ 6x = \sec \theta $ and $ \large\frac{6}{x}$$= \tan \theta $, then the value of $36 \bigg(x^2 - \large\frac{1}{x^2} \bigg)$ is __________

asked Nov 3, 2014 by meena.p

2 answers

If $\cos \theta = \large\frac{3}{4}$ then the value of $9 \tan ^2 \theta +9 $ is ______

asked Nov 3, 2014 by meena.p

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If $ \sin \theta + \cos \theta = \sqrt 2 \cos (90^{\circ}- \theta)$ then $\cot \theta $ is

asked Nov 3, 2014 by meena.p

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If $ \cos \theta = \large\frac{2}{3}$, then $2 \sec^2 \theta+2 \tan ^2 \theta -7$ is equal to

asked Nov 3, 2014 by meena.p

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If $x \tan 45^{\circ} \cos 60^{\circ} = \sin 60^{\circ} cot 60^{\circ}$, then x=_______

asked Nov 3, 2014 by meena.p

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The value of $\cos ^{\circ} \cos 2^{\circ} \cos 3^{\circ}...... \cos 179^{\circ} \cos 180^{\circ}$

asked Nov 3, 2014 by meena.p

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The value of $\theta$ satisfying $\sqrt 3 \sin \theta =\cos \theta$ is ________

asked Nov 3, 2014 by meena.p

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If $\sec 3A= cos (A-26^{\circ})$ where $3A$ is an angle, then the value of A is ________

asked Nov 3, 2014 by meena.p

1 answer

If $\sec 4A= cosec (A-20^{\circ})$ where $4A$ is an angle, then th value of A is ________

asked Nov 3, 2014 by meena.p

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If $A,B,C$ are the interior angles of a triangle $ABC$, then $\tan \bigg(\large\frac{B+C}{2} \bigg)$$=_____

asked Nov 3, 2014 by meena.p

1 answer

The value of $\tan 5^{\circ} \tan 25^{\circ} \tan 30^{\circ} \tan 65^{\circ} \tan 85^{\circ}$ is

asked Nov 3, 2014 by meena.p

1 answer