abichu
 Name:
 Abishek Kumar
 School:
 D.A.V (C.B.S.E) Senior Secondary School
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abichu:
A rocket is intended to leave the Earths Gravitational Field.The Fuel in its Main engine is a little less than the amount that is necessary,…
 updated 2 years ago
 1 reply
 2 Medals
Mathematics

abichu:
x/a cos theta + y/b sin theta = 1 ; x/a sin theta  y/b cos theta = 1
PROVE THAT (x^2/a^2)+(y^2/b^2)=2
 updated 2 years ago
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Mathematics

abichu:
PROVE THAT (cosec theta / cosec theta  1) + (cosec theta / cosec theta + 1) = 2 sec^2 theta
 updated 2 years ago
 1 reply
 1 Medal
Mathematics

abichu:
Simplify (sin^3 theta+cos^3 theta) / (sin theta + cos theta)
 updated 2 years ago
 9 replies
 5 Medals
Mathematics

abichu:
Find sin (45+theta)  cos(45theta)
 updated 2 years ago
 4 replies
 2 Medals
Mathematics

abichu:
If sin theta  cos theta = 0. Find sin^4 theta + cos^4 theta
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

abichu:
If 5 sin theta = 3. Find sec theta+tan theta/sec theta  tan theta
 updated 2 years ago
 12 replies
 2 Medals
Mathematics

abichu:
someone answer my question please..!!!!
 updated 2 years ago
 4 replies
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Mathematics

abichu:
1){sin(theta+25)cos(65theta)+3cos55/7sin35}  {4cos70 cosec^2 theta/7tan5 tan25 tan 45 tan 65 tan 85}
2) If cos(81theta)=sin(k/3theta),…
 updated 2 years ago
 2 replies
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Mathematics

abichu:
SOLVE  {sin(theta+25)cos(65theta)+3cos55/7sin35}  {4cos70 cosec^2 theta/7tan5 tan25 tan 45 tan 65 tan 85}
 updated 2 years ago
 3 replies
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Mathematics

abichu:
If cos(81theta)=sin(k/3theta),find K
 updated 2 years ago
 1 reply
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Mathematics

abichu:
P.T {sin theta*cos(90theta)*cos theta/sin(90theta)} + {cos theta*sin(90theta)*sin theta/cos(90theta)}
 updated 2 years ago
 3 replies
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Mathematics

abichu:
If {x+cot40/tan50}  {1/2(cos35/sin35)}=4;find x
 updated 2 years ago
 1 reply
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Mathematics

abichu:
9) if 2x=sec theta and 2/x=tan theta , find 2(x^2=1/x^2)
 updated 2 years ago
 3 replies
 2 Medals
Mathematics

abichu:
8) If cos(1+theta)=sin(k/3theta), find K
 updated 2 years ago
 4 replies
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Mathematics

abichu:
7) If sin A+sin^2 A=1,find cos^2 + cos^4 A
 updated 2 years ago
 65 replies
 2 Medals
Mathematics

abichu:
6) If sec theta+tan theta = P. PT sin theta=P^21/P^2+1
 updated 2 years ago
 67 replies
 3 Medals
Mathematics

abichu:
5) {sin(theta+25)cos(65theta)+3cos55/7sin35}  {4cos70 cosec^2 theta/7tan5 tan25 tan 45 tan 65 tan 85}
 updated 2 years ago
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Mathematics

abichu:
4) P.T {sin theta*cos(90theta)*cos theta/sin(90theta)} + {cos theta*sin(90theta)*sin theta/cos(90theta)}
 updated 2 years ago
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Mathematics

abichu:
3) If sin(theta+36)=cos theta, find theta
 updated 2 years ago
 2 replies
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Mathematics

abichu:
1) In triangle ABC, angle A=x, angle B=90.if tan theta+1/tan theta=2 find (a) tan^2 theta+1/tan^2 theta (b)sec theta+tan theta
 updated 2 years ago
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Mathematics

abichu:
4) P.T {sin tita*cos(90tita)*cos tita/sin(90tita)} + {cos tita*sin(90tita)*sin tita/cos(90tita)}
 updated 2 years ago
 4 replies
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Mathematics

abichu:
3) If sin(tita+36)=cos tita, find tita
 updated 2 years ago
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Mathematics

abichu:
2) evaluate.sin30+2cos^245+tan^2 60/1/2cos45+cos^230+tan^245
 updated 2 years ago
 3 replies
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Mathematics

abichu:
1) In triangle ABC, angle A=tita, angle B=90.if tan tita+1/tan tita=2 find (a) tan^2 tita+1/tan^2 tita (b)sec tita+tan tita
 updated 2 years ago
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Mathematics

abichu:
Can anyone explain me about DBranes??
 updated 2 years ago
 12 replies
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Mathematics

abichu:
Anyone can explain me the Uncertainty priniciple by werner heisenberg??
 updated 2 years ago
 4 replies
 3 Medals
Mathematics

abichu:
what do you mean by integer 'Spin' ?
 updated 2 years ago
 1 reply
 2 Medals
Mathematics

abichu:
Anyone can suggest me a good book on quantum mechanics and particle physics??
 updated 2 years ago
 5 replies
 3 Medals
Mathematics

abichu:
How and why protons and electrons are positively and negatively charged??
 updated 2 years ago
 2 replies
 1 Medal
Mathematics
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