4cosπ/10-3secπ/10-2tanπ/10=0
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Answer:
-1
Step-by-step explanation:
4cosπ/10 -3secπ/10-2tanπ/10= 0
4cosπ-3secπ-2tanπ=10×0
4(-1)-3(-1)-2(0) =0
-4+3=0
-1
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