<span>The exact solution of cos (17</span>π<span>/6) is as follows:
First change the angle into degrees.
17(</span>π/6) (180°/π) = 510°
Then we calculate the cosine of the angle above and it as follows:
cos 510° = -(√3)/2
Hope this answers the question. Have a nice day.
1000 this is because it is the right one
Answer:
The answer to number 1 is 10. The answer to number 2 is 4-6, inclusive.