Question

5 sin²30 + cos² 45 - 4 tan 30
2 sec 60+ sin3o+ tan 45​

Answer 1

Answer:

3.5

Step-by-step explanation:

5(1/2) square+(1/√2) square-4(1/√3)+2(2)+1/2+1

5/4+1/2-4/√3+4+1/2+1

29/4-4√3/3

67-16√3/12

67-16(1.7)/12

67-25/12

42/12

=3.5(approx)

Answer 2

Answer:

4.98

Step-by-step explanation:

=5(1/4)+1/4-4(1/root3)+2(2)+1/2+1

=5/4+1/4-4/root3+4+1/2+1

=29/4-4root3/3

=87-16root3/12

=87-16×1.7/12

=59.8/12

=4.98(accurate).