if a b c=π and cosa=cosb.cosc,prove that i) tana=tanb tanc and i)cotb.cotc=1/2
Published 3 years ago • 5.4K plays • Length 2:04Download video MP4
Download video MP3
Similar videos
-
![if cos(a b)=½ , tan(a-b)=1/[√3], find the value of sec(2a-3b), if (a b) is an acute angle](https://i.ytimg.com/vi/6N2ofkmTe7Q/mqdefault.jpg)
1:48
if cos(a b)=½ , tan(a-b)=1/[√3], find the value of sec(2a-3b), if (a b) is an acute angle
-
2:07
prove that tana tanb tanc = tanatanbtanc
-
6:05
if a b c=π then prove that tana tanb tanc=tanatanbtanc
-
2:08
16. if a and b are acute angle such tana=1/3 and tanb=1/2 and tan(a b) = (tana tanb)/(1-tanatanb)
-
4:04
prove that cotb cotc cotc cota cota cotb = 1
-
12:48
if a, b, c are angles in a triangle, then cos 2a cos 2b cos 2c = -1 – 4 cos a cos b cos c
-
36:38
battle for the northern lands. cartoons about tanks
-
5:26
chaconne in c major, p.38
-
5:16
johann valentin meder - chaconne in c for violin, bassoon & continuo (c. 1680)
-
2:56
prove that `tan(a b c)=(tana tanb tanc-tanatanbtanc)/(1-tanatanb-tanbtanc-tanctana)`
-
2:00
prove that tan a tan b by cot a cot b is equal to tan a tan b
-
3:53
ifa b c=180⁰,tana tanb tanc=tana.tanb.tanc educational property by chandan kumar basic explanation
-
5:46
function of sum of three angles tan(a b c) (3 of 4)
-
3:24
tan(a b) = (tana tanb)/(1-tanatanb) proof
-
7:26
if sina sinb=x and cosa cosb=y, find tan((a-b)/2)
-
6:44
if a b c=180 degree, prove that cosa cosb cosc= 1 4sina/2.sinb/2.sinc/2
-
6:07
trigonometry - overview and identities (9 of tbd) cos(a b) and cos(a-b) derived
-
11:33
chaconne in c major
-
4:02
finding no. of solutions for the equation tanx secx = 2 cosx | isi bstat 2014 objective problem 3
-
3:41
trigonometry - overview and identities (11 of tbd) tan(a b) derived
-
3:42
ques:-(b) in the given figure, apb is tangent to the inner circle and also a chord of outer circle .
-
14:40
1. proof cos(a b) = cosa.cosb - sina.sinb - "sum formula for the cosine function"