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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 3651. |
When a=b then find the value of a and b |
| Answer» Infinity | |
| 3652. |
What is sandwich theorem. |
| Answer» | |
| 3653. |
Tan2x tanx/tan2x - tanx = sin2x |
| Answer» L.H.S.=tan2x.tanxtan2x−tanx=sin2xcos2x.sinxcosxsin2xcos2x−sinxcosx=sin2xcos2x.sinxcosxsin2x.cosx−cos2x.sinxcos2x.cosx=sin2x.sinxsin2x.cosx−cos2x.sinxUsing idenity :sin(A−B)=sinA.cosB−cosA.sinB,we get,L.H.S.=sin2x.sinxsin(2x−x)=sin2x.sinxsinx⇒L.H.S.=sin2x=R.H.S. (Hence proved) | |
| 3654. |
Pi kya hai |
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Answer» As a trigonometric value pi is considered as 180 In general it\'s value is 22/7 or 3.14 In trigonometric functions chapter it is considered as 180. In general pi=22/7 or3.14 Its value is 22/7 or 3.14 Its a transcendental number |
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| 3655. |
(a+b)\'2, |
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Answer» Bhot shi khel gya a^2 + b^2 + 2ab |
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| 3656. |
element book ex:3.2 10 questions 3rd part |
| Answer» | |
| 3657. |
What are concurrent lines |
| Answer» | |
| 3658. |
All questions and answers |
| Answer» | |
| 3659. |
Find the distance between the points R(a+b,a-b) and (a-b,a+b). |
| Answer» | |
| 3660. |
Can u make me understand trigonometric equation |
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Answer» Ya bilkul Ya Ya |
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| 3661. |
Evaluate: sin(40+theta)*cos(10+theta)-cos(40+theta)*sin(10+theta). |
| Answer» | |
| 3662. |
Sin 23 degree ÷cot54 degree |
| Answer» | |
| 3663. |
2x^-(3+7i)x-(3-9i)=0 |
| Answer» | |
| 3664. |
acosA+bcosB+c.cosC=2asinBsinC |
| Answer» It is a conditional identities | |
| 3665. |
i to the power 18 + 1 upon i to the power 25 whole cube |
| Answer» 11 | |
| 3666. |
Using PMI prove- n(n+1)(n+5) is a multiple of 3 |
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Answer» To banaya kyun nahi Bahut simple |
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| 3667. |
If R={(3x+y=19,x,y €N} then find the domain & range. |
| Answer» Domin =R | |
| 3668. |
5 is polynomial or not |
| Answer» | |
| 3669. |
The polynomial f(x)=x4 |
| Answer» | |
| 3670. |
Δ(sinx+sin^2x+sin^3x)/Δx |
| Answer» | |
| 3671. |
Is 0/infinity is determinant or indeterminant? |
| Answer» | |
| 3672. |
Find the equation of the perpendicular bisector of the line joining the points (1,3) and (3,1)? |
| Answer» | |
| 3673. |
Find the range of x-4 /x-4 |
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Answer» 0,1 1 |
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| 3674. |
prove that √5 is a irrational |
| Answer» By the method of contradiction... | |
| 3675. |
Let A={a,b }and B= {a, b, c }is =A¢B? What is A union B |
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Answer» {a,b,c} a,b,c |
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| 3676. |
ex 4.1 q 1 ) 1+3+3^2+....+3^n-1=(3^n-1)/2 |
| Answer» | |
| 3677. |
Power set of null set |
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Answer» Phi Thitha No. Of elements in power set = 2^0 = 1P(A)= {fi} |
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| 3678. |
X+3/x-2>0,x€R |
| Answer» | |
| 3679. |
What is co ordinate |
| Answer» Tera ser | |
| 3680. |
Find range of 1-modulus x-2 |
| Answer» | |
| 3681. |
What is the value of tan(x-y) |
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Answer» tanx-tany/1+tanx.tany tanx-tany/1+tanx.tany |
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| 3682. |
2 multiply 5 |
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Answer» 10 sweety 10 10 10 Dear it\'s 10?????? |
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| 3683. |
Can you please tell me the shortcut method of binomial theorem? |
| Answer» | |
| 3684. |
x-3/x-1 |
| Answer» | |
| 3685. |
If A+B= 45 then prove that (1+tanA)(1+tanB)=2 |
| Answer» | |
| 3686. |
Phythogyares theoram |
| Answer» its AB^2+BC^2=AC^2 | |
| 3687. |
Cosa\\a+cosb\\b+cosc\\c=a2+b2+c2\\2abc |
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Answer» Please prove =>cosA/a=b^2+c^2-a^2 /2bc --(1)=> cosB/b=a^2+c^2-b^2/2ac-----(2)=>cosC/c=a^2+b^2-c^2 /2ab ----(3)=> adding three equation you get a^2+b^2+c^2/2abc its from external exercise Please prove that |
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| 3688. |
Integration of x^2-3x+4 |
| Answer» | |
| 3689. |
(2n+7) |
| Answer» | |
| 3690. |
Argument(z) +argument(z^-) = |
| Answer» | |
| 3691. |
Find the general solution of Cos4x=Cos2x |
| Answer» | |
| 3692. |
. i n+100 + i n+50 + i n+48 + i n+46Complex no.. n+100 ,n+50,n+48,n+46. is in raise to power |
| Answer» | |
| 3693. |
it is important to solve ncert |
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Answer» 10 ka exam deke kya pta lga which book is main Rd is main Yes, NCERT is very important for any subject Yaa it is important to solve ncert first Yaa, its very important to solve ncert for all types of board nd competative exams It is very important to solve ncert to keep our concepts clear. Of course yes We should solve ncert first |
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| 3694. |
how to derive identity of sin2A |
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Answer» Right????? by hand and mind |
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| 3695. |
1+ cos 2A= ??Plzzz tell this formula |
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Answer» Hlo 1+cos 2A =2 cos^2A How r u Hlo nik |
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| 3696. |
If one angle of a triangle is equal of the other two show that triangle is right angle |
| Answer» | |
| 3697. |
How we can find diffrention |
| Answer» | |
| 3698. |
CosA -sinA+1/cosA+sinA-1 |
| Answer» | |
| 3699. |
Thanks a lot sir. |
| Answer» | |
| 3700. |
Tan70°=tan20°+2tan50° |
| Answer» As we all know,tan70°=tan(20+50)°\u200b\u200btan70°=(tan20°+tan50°)/1-tan20°tan50°tan70°-tan20°tan50°tan70°=tan20°+tan50°Also\xa0tan70°tan20°=tan70°cot70°=1Hencetan70°-tan50°=tan20°+tan50°So tan70°=tan20°+2tan50° | |