Question

sec 20 degree / cosec 70 degree
evaluate it.

Answer 1

Answer:

1

Step-by-step explanation:

sec20= cosec70

So answer is 1

Answer 2

sec20°\ cosec70°

sec(90°-70°)/cosec70°

according to identity sec(90°-tita)=cosec tita

sec(90°-70°)/cosec70°= cosec70°\cosec70°= 1