Evaluate cosec13/sec77-cot20/tan70
Answers
Answered by
0
cosec 13 / sec 77 - cot 20 / tan 70
= sec 77/ sec 77 - tan 70 / tan 70
= 1 -1
= 0
GOR THIS EXAMPLE YOU SHOULD KNOW
cosec A = sec (90 - A )
tan A = cot (90 - A)
= sec 77/ sec 77 - tan 70 / tan 70
= 1 -1
= 0
GOR THIS EXAMPLE YOU SHOULD KNOW
cosec A = sec (90 - A )
tan A = cot (90 - A)
Similar questions