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`cosec (-1410^@)` |
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Answer» `cosec "(-1410^(@))` `=-"cosec"1410^(@)` `=-"cosec"(3 xx 360^(@) +330^(@))` `=-"cosec"330^(@)` `="cosec"(360^(@)-30^(@))` `=-"cosec"30^(@)` =2 Ans. |
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