Question

answer my question please...I need help....​

Answer 1

1) Put the values in the questions.

cos45= 1/√2, tan60=√3, sin45=1/√2, tan30= 1/√3

=2(1/2+3) -6(1/2-1/3)

do the LCM in the brackets.

=2(7/2) -6(1/6)

=7-1

=6