0 votes 0 votes $\log \tan1^{\circ}+ \log \tan2^{\circ}+ \dots + \log \tan89^{\circ}$ is $1$ $\frac{1}{\sqrt{2}}$ $0$ $-1$ Quantitative Aptitude gate2015-ec-3 numerical-ability logarithms + – Milicevic3306 asked Mar 27, 2018 • retagged Feb 28, 2021 by Lakshman Bhaiya Milicevic3306 16.0k points 83 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.