Math, asked by deweshkumarDR, 9 months ago

cosec(-420) degree,value

Answers

Answered by laddiaulakh03

0

Step-by-step explanation:

csc(-420) = -csc420=csc60 =-2/32

Answered by brreddykambala

0

Step-by-step explanation:

cosec(-420°)=-cosec

cosecant is an odd function,Thus

-(cos420°)=-(cosec60°)=

-1/sin(60°)=-1/root3/2=-2/root3

=-2root3/3

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