Answer:
-4
Step-by-step explanation:
cosec^27π/6
=cosec^2(210°)
=cosec^2(180°+30°)
=-cosec^2(30°)
=-(2)^2
=-4
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Answers & Comments
Answer:
-4
Step-by-step explanation:
cosec^27π/6
=cosec^2(210°)
=cosec^2(180°+30°)
=-cosec^2(30°)
=-(2)^2
=-4