![if sin b = 1/2 , show that 3 cos b -4 cos 3b = 0 - Maths - Introduction to Trigonometry - 10595649 | Meritnation.com if sin b = 1/2 , show that 3 cos b -4 cos 3b = 0 - Maths - Introduction to Trigonometry - 10595649 | Meritnation.com](https://s3mn.mnimgs.com/img/shared/userimages/mn_images/image/a1(170).png)
if sin b = 1/2 , show that 3 cos b -4 cos 3b = 0 - Maths - Introduction to Trigonometry - 10595649 | Meritnation.com
![In DeltaABC,BC=1,sin.(A)/2=x1,sin.(B)/2=x2,cos.(A)/2=x3andcos.(B)/2=x4" with "(x1/x2)^2007-(x3/x4)^2006=0 If angleA=90^@, then area of DeltaABC is In DeltaABC,BC=1,sin.(A)/2=x1,sin.(B)/2=x2,cos.(A)/2=x3andcos.(B)/2=x4" with "(x1/x2)^2007-(x3/x4)^2006=0 If angleA=90^@, then area of DeltaABC is](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/39170510_web.png)
In DeltaABC,BC=1,sin.(A)/2=x1,sin.(B)/2=x2,cos.(A)/2=x3andcos.(B)/2=x4" with "(x1/x2)^2007-(x3/x4)^2006=0 If angleA=90^@, then area of DeltaABC is
![If `sin(A+B)=1` and `cos(A-B)=1`, `0^(@) le (A+B) le 90^(@)` and `A gt B` then find `A` and `B`. - YouTube If `sin(A+B)=1` and `cos(A-B)=1`, `0^(@) le (A+B) le 90^(@)` and `A gt B` then find `A` and `B`. - YouTube](https://i.ytimg.com/vi/Gy2nSB7dMsU/maxresdefault.jpg)
If `sin(A+B)=1` and `cos(A-B)=1`, `0^(@) le (A+B) le 90^(@)` and `A gt B` then find `A` and `B`. - YouTube
![Triangle abc, angle c=90 degree, tan a=1/ root 3. Prove that sin a* cos b+cos a*sin b=1 - Brainly.in Triangle abc, angle c=90 degree, tan a=1/ root 3. Prove that sin a* cos b+cos a*sin b=1 - Brainly.in](https://hi-static.z-dn.net/files/d50/2d45dcebb111207435d923f02261af91.jpg)