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Shortcut to find orthocentre of all three given vertices of any triangle? Any?

Posted by Sandhu Sandhu 8 years, 2 months ago

CBSE > Class 11 > Mathematics

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If Cosec0-sin0=a*a*a, sec0-cos0=b*b*b, then prove that a*a*b*b[(a*a)+(b*b)] =1

Posted by Sachin Kumar Verma 8 years, 2 months ago

CBSE > Class 11 > Mathematics

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223÷91×919×9×19×91÷91×19÷01=?

Posted by Hitt Lerr 8 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Dipens Rajput 8 years, 2 months ago

7316926.5165

1Thank You

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Integration of secx

Posted by Ashish Sir 8 years, 2 months ago

CBSE > Class 11 > Mathematics

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If A+B+C=180°,prove that sin(B+2C)+sin(C+2A)+sin(A+2B)=4sin(B-C)/2sin(C-A)/2sin(A-B)/2

Posted by Akshit Kumar 8 years, 2 months ago

CBSE > Class 11 > Mathematics

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4cos12°cos48°cos72°=1-sin18°

Posted by Akshit Kumar 8 years, 2 months ago

CBSE > Class 11 > Mathematics

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Tan× by first principles

Posted by Sobhit Kumar 8 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Dipens Rajput 8 years, 2 months ago

=sinx/cosx

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Sina-cosa+1/sina+cosa-1=1/sina-tana

Posted by Abhishek Kumar 8 years, 2 months ago

CBSE > Class 11 > Mathematics

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Why students are practice maths

Posted by Mansi Udani 8 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Me Souhardee❤️ 8 years, 2 months ago

To prove that they r really mad

4Thank You

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If tan(180°cos

Posted by Saurav Kumar 8 years, 2 months ago

CBSE > Class 11 > Mathematics

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First, second and last terms of an apis a,b,c prove that the sum is (a+c)(b+c -2a)/2(b-a)

Posted by Piyush Vyas 8 years, 2 months ago

CBSE > Class 11 > Mathematics

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Z square - 4 Z + 13 equal to zero

Posted by Md Shahid 8 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

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Using concept of slope prove that a b c d are angular points of triangle

Posted by Sanjoli Gupta 8 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

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Prove that Cos pi by 4 equals to under root of 2 + under root of 3 + under root of 4 + under root of 6

Posted by Sandeep Rawat 8 years, 2 months ago

CBSE > Class 11 > Mathematics

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A line is such that its segment between the lines5x-y+4=0and 3x+4y-4=0 is bisected at the point (1,5). Obtain its equation.

Posted by Prince Yadav 8 years, 2 months ago

CBSE > Class 11 > Mathematics

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Find the sum of n terms of the series: 3+15+35+63+.......

Posted by Krishna P 8 years, 2 months ago

CBSE > Class 11 > Mathematics

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Find the equations of the line parallel to the 3x-4y+2=0 and passing through the point (-2,3).

Posted by Me Souhardee❤️ 8 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

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How we solve veen diagram

Posted by Akash Singh 8 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Jayaish Nanglot 8 years, 2 months ago

By carefully reading the question and then draw the figure according to it... It is very simple

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The perpendicular from the origin to the line meets it at the point ( -2,9). Find the equation of the line..

Posted by Saswoti Satapathy 8 years, 2 months ago

CBSE > Class 11 > Mathematics

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How to find product of any first n terms ........ Is there any formula........some questions of these types are present in exercise 9. 3

Posted by Dhf Fjci 8 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Jyoti Suntha 8 years, 2 months ago

Which class

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1+2w+3w^/2+3w+w^+2+3w+w^/3+w+2w^

Posted by Rani Kothari 8 years, 2 months ago

CBSE > Class 11 > Mathematics

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if the axis are shifted to the point 1,-2 without rotation what do the equation because 2x²+y²-4x+4y=0

Posted by Madhavi Gupta 8 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Nitin Singh 8 years, 2 months ago

I don't know

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What is maths

Posted by Muhammad Yusuf Ansari 8 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Amar Kumar 8 years, 2 months ago

Mathematics is the study of topics such as quantity, structure, space, and change.Mathematics is the science that deals with the logic of shape, quantity and arrangement. Math is all around us, in everything we do.

1Thank You

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Sum up the following series upto n terms.. 1/1.3 + 1/3.5 +1/3.7+.......

Posted by Rakhi Rakhi 8 years, 2 months ago

CBSE > Class 11 > Mathematics

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ANSWER

Sum up the following series upto n terms ... 1/1.3 +1/3.5 +1/5.7 +.........

Posted by Rakhi Rakhi 8 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

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0! = 1 but expansion of 0! = 0 so,,, why 0! =1

Posted by Tuba Parveen 8 years, 2 months ago

CBSE > Class 11 > Mathematics

2 answers

Shruti Sahu 8 years, 2 months ago

only zero is the most complex one

0Thank You

Rahul Poddar 8 years, 2 months ago

We know npr=n!/(n-r)!, when n=r, npn=n!/(n-n)!, n!=n!/0!";0!=n!/n!"; 0!=1

1Thank You

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What's the 0!

Posted by Sunil Gurjar 8 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Naveen Sharma 8 years, 2 months ago

0! = 1

1Thank You

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4×4×5÷6+8×8×4?

Posted by Divya Daga 8 years, 2 months ago

CBSE > Class 11 > Mathematics

2 answers

Deepti Choudhary 8 years, 2 months ago

269.44

0Thank You

Deepti Choudhary 8 years, 2 months ago

(4×4)×(5÷6)+(8×8×4). (using DMAS) 16×.8333+256 16×.84+256 13.44+256 269.44

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"Collection of winged horses " is it a set ?

Posted by Ambika Muduli 8 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Sunil Gurjar 8 years, 2 months ago

Yes it's a set .

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{Mobile,TV, AC, Fan etc} is it a set? If it is a set how to describe it with proportion?

Posted by Ambika Muduli 8 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Sunil Gurjar 8 years, 2 months ago

No it's not a set.

0Thank You

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