Question

Uwu

Hey maybe help me ?

Answer 1

cscu – cotu = sinu/1 + cosu

1/sinu – cosu/sinu= sinu/1 + cosu

1 – cosu/sinu= (sinu)(1 – cosu) ÷ (1 + cosu)(1 – cosu)

1 – cosu/sinu= 1 – cosu/sinu

Hence Proved!!

-TheUnknownScientist 72