Question

8) Using tables evaluate the following:
cos square 30 + cos square pi by 6 + cos square pi by 3 + cos square pi by 2 ​

Answer 1

Answer:

7/4

Step-by-step explanation:

√3×√3/2×2+√3×√3/2×2 +1/2×1/2

3/4+3/4+1/4

7/4