Find the value of `cosec(-1410^@)`

Explanation

We know that the values of cosecx repeats after an interval of .2 pi.. or .360^(circ). .(cosec)(-1410)^(0)=(cosec)(-1410^(circ)+4 xx 360^(circ))=(cosec)(-1410^(circ)+1440^(circ))=(cosec) 30^(circ)=2..

.[because 4 xx 360^(circ)gt1410^(circ)].