`(1+sinA)(1+sin B)(1+sinC)=(1-sinA)(1-sinB) (1-sinC)=k=>k=`

(1+sinA)(1+sinB)(1+sinC) = (1-sinA)(1-sinB)(1-sinC) = k rArr k =

If (1+sinA)(1+sinB)(1+sinC)=(1-sinA) (1-sinB)(1-sinC)," then prove that "(1-sinA) (1-sinB)(1-sinC)=pmcosA.cosB.cosC .

If (1+sinA)(1+sinB)(1+sinC)=(1-sin-A) (1-sinB)(1-sinC)," then prove that "(1+sinA) (1-sinB)(1-sinC)=pmcosA.cosB.cosC .

If (1+sinA)( 1+sinB)(1+sinC) = (1-sinA)(1-sinB)(1-sinC), then prove that the value of each side = +-cos A cosB cosC ,

If (1-sinA)(1-sinB)(1-sinC)=(1+sinA)(1+sinB)(1+sinC) , then prove that each side is equal to +-cosAcosBcosC .

If (1-sinA)(1-sinB)(1-sinC)=(1+sinA)(1+sinB)(1+sinC) , then show that each side is equal to +-cosAcosBcosC .

if A, B, C are acute positive angles, then : ((sinA + sinB)(sinA + sinC)(sinA + sinC))/(sinA sinB sinC) is :

Show that (1+sinA)/(cosA)+(cosB)/(1-sinB)=(2sinA-2sinB)/(sin(A-B)+cosA-cosB)