Question

find the value of cosec 70 degree - sec 20 degree

Answer 1

cosec 70°-sec 20°
=cosec (90°-20°)-sec 20°
=sec 20°-sec 20°
=0°
Hope it will help you..…

Answer 2

you can solve this problem by
applying the formula of 90 degree
that is cosec(90-20)-sec20
which will get you sec20-sec20
therefore the answer will be 0