find the value of tan10............tan90
Answers
Answered by
4
1 is the answer okkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
thank you
thank you
Answered by
1
L.H.S. = tan 10° tan 15° tan 75° tan 80°. = tan (90° - 80°) tan 15° tan (90° - 15°) tan 80°. = cot 80° tan 15 cot 15° tan 80
Similar questions