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Conditional Identities- JEE Main and Advanced (in Hindi)
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This free video lesson covers Conditional identities concepts and solved examples of previous year questions for JEE Main and Advanced (IIT-JEE).

Vineet Loomba is teaching live on Unacademy Plus

Vineet Loomba
IITian | No. 1 Educator in IIT-JEE | 6 Million Minutes Watch Time | 8+ Years Experience | Youtube: Maths Wallah |

Unacademy user
sir min and max values and trigonometry series in ap gp par ek video bana digiye
Sir, in the second example, where A + B + C = 3pi/2, shouldn't it be 1+ 4sinAsinBsinC? Inside the 3 cos terms, the sum of the angles is 3pi, which is the same as pi? So that makes it similar to the identity of cosA + cosB + cosC where A+B+C = pi? Using that logic (please correct me if I am wrong), answer should be 1 + 4sinAsinBsinC?
Vineet Loomba
4 months ago
no you are wrong ... we have to proceed mathematically here and not logically ..we cannot make new formulas ....see the derivations then u might understand
Divya Soni
4 months ago
Oh. Okay sir. Thank you.
sir mazaa aa gya.... sabse sahi video series hai trigo pe ...
Vineet Loomba
9 months ago
Thanks a lot ..pls dont forget leave a 5 star review and watch all other 29 courses on my profile
sir, I am preparing only for objective. I am a dropper. If I can remember these identities, do I need to learn the proof also?
9 months ago
nope bro just learn these...
sir in the last example we have to prove that tan2a+tan2b+tan2c=tana.tanb.tanc. than without any given statement how can you say a+b+c is a multiple of π
Vineet Loomba
a year ago
bcz tan A + Tan b + tan C = tanA tanB TanC
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