Question

sin (75° + 0) - cos (15° - 0).
please answer my question.... today is my exam..​

Answer 1

Answer:

Step-by-step explanation:

Sin(75+0) - cos(15-0)

Sin(75+0) - sin(90-(15-0)) using complementary angle trigo I. e sino=cos(90-0)

Hence sin(75+0) -sin(75+0) =0(zero)