Post a New Question
posted by O on Sunday, November 4, 2012 at 1:53pm.
How would you solve these questions using Trigonomic Identities? sin^2x = tan^2x/1+tan^2x sinx+cosx/tanx = 1/cosxtanx
1+tan^2 = sec^2 so, the Right side is tan^2/sec^2 = sin^2/cos^2 * cos^2 = sin^2
More Related Questions