Question

evaluate sin 15 cos 75 + cos square 15​

Answer 1

Answer:    0.937

Step-by-step explanation:

sin 15 = 0.258

cos 75 = sin 15 = 0.258

cos 15 = 0.965

(sin 15) (cos 75) + cos² 15 = (0.258)(0.258) + (0.965)²

                                          =  0.006 + 0.931 = 0.937