Question

pls answer this maths​

Answer 1

Step-by-step explanation:

1) (2 tan 30 )÷ 1 + tan²30 = tan ( 2 × 30 )

= tan 60 = root 3

2) sin 30×cos60 + cos30×sin 60 = sin ( 60 + 30 )

= sin 90 = 1

3)( 5/4 +3 - 1) ÷ (1/2 + 1/2 )

=( 13/4 )÷ 1

= 13/4

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