evaluate 5 cos square 60+ 4 sec square 30 _ tan square 45 + 5 sin square 60
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Step-by-step explanation:
5(1/2)²+4(2/√3)²-(1)²+5(√3/2)²
=5/4+16/3-1+15/4
=5+16/3-1
=4+16/3
=28/3
=9.333333
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