Question

sin ( 60 degree + theta ) - cos ( thirty degree - theta ) is equal to:
A) 2 sin theta
B) 2 cos theta
C) 0
D) 1
Please give the right answer....

Answer 1

Answer:

c) 0

Step-by-step explanation:

sin ( 60 degree + theta ) - cos ( thirty degree - theta )

sin ( 60 degree + theta ) - sin ( ninety degree - thirty degree + theta )

sin ( 60 degree + theta ) - sin ( 60 degree + theta )

zero