Question

evaluate log[(tan2)(tan3)....(tan88)]

Answer 1

0

Answer 2

how ?

Answer 3

log(tan2cot2tan3cot3.............)
=log(1)

Answer 4

i am beginner in trigonometry and logarithm .. please explain it further

Answer 5

tan(88)=cot(2)
because \[\tan(90-\theta)=\cot \theta\]

Answer 6

thanks and then........

Answer 7

you can find such angles all throughout except 45
but tan 45=1

Answer 8

thnx

Answer 9

i got it thanks very much