evaluate 5 sin square 30 + cos square 45 - 4 tan square 30/ 2 sin 30+ tan 45
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Answer:
5sin²30 + cos²45 - tan²30/2sin30 + tan 45
= 5(1/2)²+(1/root 2)² - (1/root 3)²/1/2 +1
= 5/4 + 1/2 -1/3 /1/2 +1
=25/12
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