Home
Class 12
MATHS
If a=(b+c)costheta, " then prove that" s...

If `a=(b+c)costheta, " then prove that" sintheta=(2sqrt(bc))/(b+c)cos((A)/(2))`

Promotional Banner

Similar Questions

Explore conceptually related problems

If a=(b+c)cos theta then show that sin theta=(2sqrt(bc))/(b+c)cos((A)/(2))

If a = (b-c) "sec" theta , then prove that tan theta = (2sqrt(bc))/(b-c) sin A/2 .

If a=(b-c)Sec theta , Prove that tan theta=(2sqrt(bc))/(b-c)Sin(A)/(2)

If sin theta = a/(b+c) then show that cos theta = (2sqrt(bc))/(b+c) cos ((A)/(2))

If sintheta + 2 costheta=1 ,then prove that 2sintheta-costheta=2 .

If sintheta + 2 costheta=1 ,then prove that 2sintheta-costheta=2 .

If costheta-sintheta=sqrt(2)sintheta , then prove that: costheta+sintheta=sqrt(2)costheta