Question

if cos theta - sin theta =1 then sin theta =1 then sin theta +4 cos theta​

Answer 1

Answer:

Step-by-step explanation:

Cos theta - sin theta =1

And sin theta =1

So,sin theta + 4cos theta

=sin theta+4(1+sin theta)

=1+4(1+1)

=1+4(2)

=1+8

=9