Respuesta :
Answer:
Below.
Step-by-step explanation:
SinA×tanA/1-CosA
As tanA = sinA / cos A we have
sin^2A / cosA(1 - cosA)
= (1 - cos^2A) / cosA(1 - cosA)
= (1 - cosA)(1 + cosA) / cosA(1 - cosA)
= (1 + cosA) /cos A
= 1 + 1/cosA
= 1 + secA.
=
Answer:
Below.
Step-by-step explanation:
SinA×tanA/1-CosA
As tanA = sinA / cos A we have
sin^2A / cosA(1 - cosA)
= (1 - cos^2A) / cosA(1 - cosA)
= (1 - cosA)(1 + cosA) / cosA(1 - cosA)
= (1 + cosA) /cos A
= 1 + 1/cosA
= 1 + secA.
=