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CBSE Class 11 Science Mathematics Free Doubts and Solutions

CBSE - XI Science - Mathematics - Trigonometric Functions

Trigonmetric

Asked by Ratanswain752 16th August 2019, 9:14 PM
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CBSE - XI Science - Mathematics - Sets

If cardinality of a =m and cardinality of b=n and cardinality of a × cardinality of b=11 what will be the value of m2+n2  

Asked by Abhibhoomi9 31st July 2019, 10:15 PM
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CBSE - XI Science - Mathematics

|x-3|+|4-x|=1

Asked by rajkishorjubilee46 20th July 2019, 3:34 AM
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CBSE - XI Science - Mathematics

Sir/Ma'am Can you please answer this question in detail. Thanking you Saksham

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Asked by pantmehul 12th July 2019, 8:49 PM
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CBSE - XI Science - Mathematics

log subscript e superscript a space end superscript divided by y minus z equals log subscript e space end subscript superscript b divided by z minus x equals log subscript e superscript c divided by x minus y space space space space space space space space space space. space T h e n space p r o v e left parenthesis space a to the power of y 2 plus y z plus z 2 end exponent right parenthesis. left parenthesis b to the power of z 2 plus x z plus x 2 end exponent right parenthesis. left parenthesis c to the power of x 2 plus y 2 plus x y end exponent right parenthesis equals 1

Asked by Moorti 4th July 2019, 3:55 PM
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CBSE - XI Science - Mathematics - Trigonometric Functions

sinx=1/2  then find the value of cosx

Asked by md.ameenkhan9292 29th June 2019, 6:07 PM
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CBSE - XI Science - Mathematics

Solve for x |x^2-5x+7|-1|=x^2-3x-4. | means modulus

Asked by Moorti 25th June 2019, 6:11 PM
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CBSE - XI Science - Mathematics

x,y,z belong to R x+y+z=4 ,x^2+y^2+z^2=6 ,find maximum possible value of z.

Asked by aahnik.mohanty 21st June 2019, 9:09 PM
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CBSE - XI Science - Mathematics - Trigonometric Functions

If sin^2x+acosx+a^2>=1+cos x for x belongs to R, a element of left parenthesis negative infinity comma k subscript 1 right parenthesis large union left parenthesis k subscript 2 space end subscript comma infinity right parenthesis find mod k1+mod k2

Asked by aahnik.mohanty 21st June 2019, 9:08 PM
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CBSE - XI Science - Mathematics

If range of values of a for which roots of the equation x^2-2x-a^2-1=0 lie between the roots of x^2-2(a+1)x+a(a-1)=0 is p,q then find the value of q-1/p. 

Asked by aahnik.mohanty 21st June 2019, 9:04 PM
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