hari krishna

This page lists questions and answers that were posted by visitors named hari krishna.

Questions

The following questions were asked by visitors named hari krishna.

Answers

The following answers were posted by visitors named hari krishna.

Tan 75 = tan (45 +30) = tan 45 + tan 30/1-tan 45 *tan 30 = (1+ 1/√3)/(1-1/√3) = √3 + 1/√3-1 = √3 + 1/√3-1 (afterationalization ) = 2+√3 cos 15 = cos (45 - 30) = cos 45 cos 30+ sin 45 sin 30 =