Question

In triangle ABC, right angled at B if sin A =  1/2, find the value of  sin C cos A – cos C sin A​

Answer 1

Given B=90 and sinA=1/2

then. A=30

so C=180-B-C

C=180-120=60

sinCcosA-cosCsinA=sin(C-A)=sin30=1/2

Answer 2

answer

1/2

we used the pythagoras theorem , in the traingle