evaluate cot^230-cos^260-3/4sec^245-4sec^230
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Step-by-step explanation:
=(√3)^2-(1/2)^2-(3/4)(√2)^2-4(2/√3)^2
=3-1/4-3/4-3/4×2-4×4/3
!13-1/4-3/2-16/8
=22-12-16/8
=-6/8
i think it may helps u follow me
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