Question

The value of sin² 75°+ cos² 75° =​

Answer 1

Step-by-step explanation:

Note that cos²(75) - sin²(75) follows cos²(x) - sin²(x) = cos(2x).

cos²(75) - sin²(75)

==> cos(2*75)

==> cos(150)

==> -√(3)/2

Answer 2

Answer:

answer for the given problem is given