Question

.<br />Find the value of : sin (50° + 0) - cos (40° - 0).​ ​

Answer 1

Step-by-step explanation:

here is your answer and once try to solve it yourself

Answer 2

sin(50+0)- cos(40-0)

cos(90-(50-0)) - cos(40-0). {sin x= cos(90-x)}

cos (90-50-0)-cos(40-0)

cos(40-0)- cos (40-0)

=0