Question

the value of cos square pi by 6 plus x minus sin square pi by 6 minus x is​

Answer 1

Answer:

=1/2

Step-by-step explanation:

cos²π/6+x-sin²π/6-x

=cos²π/6-sin²π/6

=(√3/2)²-(1/2)²

=3/4-1/4

=2/4

=1/2