Question

sin^2 ((2pi)/3) + cos((3pi)/4) - 3/2 * tan((7pi)/3)

Answer 1

Answer:

'cos^ (-1)

(cos(7pi)/6)' is equal

to (a) '(7pi)/6' (B)

'(5pi)/6' (C) 'pi/3'

(D) 'pi/6'