Question

Find sin square 60 + tan square 30 - cos square 45

Answer 1

Answer:

3/4-1/3+1/2

9-4+6/12

=15-4/12

11/12

Answer 2

= (root 3 / 2)square + (1 / root 3)square‐ (1/ root 2) square

= 3/4 + 1/3 - 1/2

...multiply by 12

= 9/12 + 4/12 -6/12

= 9+4-6 /12

= 13-6/12

= 7/ 12

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