1.

Prove that (cosec thita - cot thita) ^2 = 1-cos thita /1+cos thita...

Answer» (CosecA-cotA)^2=(1/sinA-cosA/sinA)^2=(1-cosA/sinA)^2=(1-cosA)(1-cosA)/sin^2A(1-cosA)(1-cosA)/(1-cosA)(1+cosA)=1-cosA/1+cosA


Discussion

No Comment Found