filmov
tv
If `A, B , C `are angles of a triangle, then `P. T sin ^(2) . (A)/(2)+ |Class 12 MATH | Doubtnut
Показать описание
If `A, B , C `are angles of a triangle, then `P. T sin ^(2) . (A)/(2)+ sin^(2). (B)/(2) - sin ^(2). (C)/(2) =1-2 cos. (A)/(2) cos. (B)/(2) sin .(C)/(2)`
Welcome to Doubtnut. Doubtnut is World’s Biggest Platform for Video Solutions of Physics, Chemistry, Math and Biology Doubts with over 5 Lakh+ Video Solutions. Doubtnut is a Q&A App for Math, Physics, Chemistry and Biology (up to JEE Advanced and NEET Level), Where You Can Ask Unlimited Questions by Clicking a Picture of Doubt on Doubtnut App and Get Instant Video Solution.
________________________
Online Class में Admission लेने के लिए यहाँ click करें :
👉Class 12 | CBSE Boards | English Medium :
👉कक्षा 12 | CBSE बोर्ड | हिंदी माध्यम :
Doubtnut App Link:
________________________
Subscribe Our YouTube Channels:
______________________
Follow Us:
Our Telegram Pages:
________________________
Contact Us:
👉 Have Any Query? Ask Us.
🤙 Call: 01247158250
💬 WhatsApp: 8400400400
#MATH
#Class12MATH
#Class11MATH
#TRIGONOMETRICRATIONS,TRANSFORMATIONS
#Class12
Welcome to Doubtnut. Doubtnut is World’s Biggest Platform for Video Solutions of Physics, Chemistry, Math and Biology Doubts with over 5 Lakh+ Video Solutions. Doubtnut is a Q&A App for Math, Physics, Chemistry and Biology (up to JEE Advanced and NEET Level), Where You Can Ask Unlimited Questions by Clicking a Picture of Doubt on Doubtnut App and Get Instant Video Solution.
________________________
Online Class में Admission लेने के लिए यहाँ click करें :
👉Class 12 | CBSE Boards | English Medium :
👉कक्षा 12 | CBSE बोर्ड | हिंदी माध्यम :
Doubtnut App Link:
________________________
Subscribe Our YouTube Channels:
______________________
Follow Us:
Our Telegram Pages:
________________________
Contact Us:
👉 Have Any Query? Ask Us.
🤙 Call: 01247158250
💬 WhatsApp: 8400400400
#MATH
#Class12MATH
#Class11MATH
#TRIGONOMETRICRATIONS,TRANSFORMATIONS
#Class12
If a/b=c/d then a/b=(a+c)/(b+d) mathematical proof
If (a+b):(b+c):(c+a) = 6:7:8 and a+b+c = 14 then the value of c is
If a+b+c=5 and ab+bc+ca=10, then prove that a^3+b^3+c^3-3abc=-25. | 9 | POLYNOMIALS | MATHS | NC...
If A:B = 5:6 and B:C = 4:7, find A:B:C
If A:B = 4:5 and B:C = 7:8, then find A:C ?
Mathematics Solution 'a+b+c=15, a²+b²+c²=83, ab+bc+ca=?'
Divisibility Proof with the Sorcerer: a|b and a|c implies a|(b + c)
If a : (b+c) = 1 : 3 and c : (a+ b) =5:7, then b : (a+c) is equal to
Talking BC Politics with Andre Meloche & Timothy Knight
Direct Proof: If a|b and b|c, then a|c
If a:(b+c) =1:3 and c:(a + b) =5:7 then find (b: a+c)
If a+b+c = 5 and ab+bc+ca = 10 then Prove that a^3+b^3+c^3-3abc = -25 || Polynomials Class-9
If A:B = 7:5 and B:C =9:14, Find A:C.
If A, B and C are interior angles of a triangle. Show that sin(B+C)/2 = cos A/2
If A:B = 2:3 B:C = 5:4 C:D = 3:7 then find the value of A:B:C:D
If `a,b,c` are all non-zero and `a+b+c=0`, prove that `a^2/(bc)+b^2/(ca)+c^2/(ab)=3`
If a + b + c = 9 and ab + bc + ca = 26 then find a2 + b2 + c2 | Polynomials Class 9
If A:B = 3:5 and B:C = 10:13, find A:B:C
If A : B = 5 :6 , and B : C = 4 : 7 , find A : B : C .
If abc=1 then find the value of 1/a+b+c^-1 + 1/a+b^-1 + 1/1+c+a^-1.
If `a,b,c` are all non-zero and `a+b+c=0`, prove that `a^2/(bc)+b^2/(ca)+c^2/(ab)=3`
If 𝐚, 𝐛 and 𝐜 are unit vectors such that 𝐚 + 𝐛 + 𝐜 = 0, then the value of 𝐚∙𝐛 + 𝐛∙𝐜 + 𝐜∙𝐚 is...
Algebraic Identities | If a^2+b^2+c^2-ab-bc-ca = 0 then prove that a=b=c | algebra | class 9 maths
If (a + b + c) =0, show that a³ + b³ + c³ = 3abc
Комментарии