CBSE > Class 11 > Mathematics | CBSE Board | Homework Help

Simple hai . We have to prove that p(A intersection b)=p(a) intersection p(b). Let A =1,2,3 and B=3,4,5 then x is a number which belongs to both A and b then ,If we take the intersection of p and b then common element is (3) and if we take the intersection of p(A) and p(b) then here also common element is 3 which belongs to both set A and B.

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Sin^8x-cos ^8x=(sin ^2x-cos ^x) (1-2sin^2cos^x)?

Posted by Khushi Tyagi 6 years, 4 months ago

CBSE > Class 11 > Mathematics

1 answers

Rock ×Himanshu 6 years, 4 months ago

Change (cos x^2)3-(cosx^2)3

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sinx**3 - cosx**3 is equals to

Posted by Shivam Singh 6 years, 4 months ago

CBSE > Class 11 > Mathematics

0 answers

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Find the domain and range of the following real functions first f x equals to minus Mod x

Posted by Somya Dubey 6 years, 4 months ago

CBSE > Class 11 > Mathematics

1 answers

Manan Aggarwal?? 6 years, 4 months ago

Domain- R and Range- -R(negative real no)

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Maths ch 3 extras questions

Posted by Kartik Kumar 6 years, 4 months ago

CBSE > Class 11 > Mathematics

0 answers

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Unit 1 miscellanous exercise

Posted by Nitika Katoch 6 years, 4 months ago

CBSE > Class 11 > Mathematics

0 answers

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Find the value of cos 765°

Posted by Swati Bornane 6 years, 4 months ago

CBSE > Class 11 > Mathematics

4 answers

Rajat Pachauri 6 years, 4 months ago

1/√2

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Khushi Tyagi 6 years, 4 months ago

-1/root 2

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Ansh Kukreja 6 years, 4 months ago

Cos (360×2+45) Cos (45) Cos (1/root2

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Piyush Tyagi 6 years, 4 months ago

1/√2

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why sinx+sin5x=sin6x

Posted by Jaswant Sain 6 years, 4 months ago

CBSE > Class 11 > Mathematics

3 answers

Khushi Singhal 6 years, 4 months ago

Sin (x+5x) =sin6x

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Khushi Singhal 6 years, 4 months ago

Sin (x+5x) Sin6x

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Ansh Kukreja 6 years, 4 months ago

Sina +sinb indentity

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Venn diagram

Posted by Pushkar Sonkar 6 years, 4 months ago

CBSE > Class 11 > Mathematics

0 answers

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Prove tan3x tan2x tanx= tan3x - tan2x - tanx

Posted by Darshit Joshi 6 years, 4 months ago

CBSE > Class 11 > Mathematics

1 answers

Vk 2 6 years, 4 months ago

Eg. Dekh le bc

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If A and B are two finite sets find nA+nB

Posted by Varsha Bhati 6 years, 4 months ago

CBSE > Class 11 > Mathematics

0 answers

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Cos4x

Posted by Sakshi Meena 6 years, 4 months ago

CBSE > Class 11 > Mathematics

2 answers

Ansh Kukreja 6 years, 4 months ago

Cos 2×2x

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Varsha Bhati 6 years, 4 months ago

1-2sin*2x

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5.2

Posted by Micky Popli 6 years, 4 months ago

CBSE > Class 11 > Mathematics

0 answers

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How can solve mode question f(x)=-|x|

Posted by Rinki Bansal 6 years, 4 months ago

CBSE > Class 11 > Mathematics

3 answers

Khushi Singhal 6 years, 4 months ago

F (x)= -x

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Ayush Vishwakarma?? 6 years, 4 months ago

Agar mod ke under koi sign rehe toh woh plus ho jata hai ,,agar -( minus) rahega toh plus agar plus toh plus hi hoga .Agar bahar koi sign rahe toh wahi sign hoga

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Ayush Vishwakarma?? 6 years, 4 months ago

-x hoga

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