Question

Cos70 / sin20 + cos55 cosec35 / tan5 tan25 tan45 tan65 tan85

Answer 1

(Cos70 / sin20 )+ ((cos55 cosec35 )/ (tan5 tan25 tan45 tan65 tan85))
=(cos(90-20) /sin20)+(cos55 cosec35)/(tan5 tan25 tan45 tan(90-25) tan(90-5))
= (sin20/ sin20) + (cos55 cosec35)/ (tan5 tan25 tan45 cot25 cot5)
= 1+ (cos55 cosec35)/(1)
= 1+ (cos55/sin35)
= 1+(sin(90-35)/sin35)
= 1+(sin35/sin35)
= 1+1
= 2

Answer 2

Answer:

Step-by-step explanation:

Hope this answer helps you!