find the value of following
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there is ° symbol with each domain number
sin1980=sin1800+180=sin
360n+180=sin180=0
sec-210= -2/✓3
cosec-120= -2/✓3
cot -315= = -1
cos(-5310)=cos(-5400+90)=cos90=0
tan(-330)=1/✓3
sec-330=2/✓3
cosec-135= -1/✓2
cot-405= -1
sin-3300= -✓3/2
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