In triangle ABC, right angled at B, find the expressions of cos A and sin C.
ABAC, BCAC
BCAC, ABAC
ABAC, ABAC
BCAC, BCAC
sin C = ABAC and cos A = ABAC
△ ABC, right angled at B, ∠ACB = 60∘, expressions for sec 60 and cosec 60 is
In Δ ABC, right angled at B, expressions for sec C and cosec C is