kgf

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

Questions

The following questions were asked by visitors named kgf.

Answers

The following answers were posted by visitors named kgf.

tanθ=1/7 means sinθ=1/√50 cos 2θ = 1-2sin^2θ = 1-1/25 = 24/25 tanØ=1/3 means sinØ=1/√10 and cosØ=3/√10 sin2Ø = 2sinØcosØ = 3/5 so, cos2Ø = 4/5 sin4Ø = 2sin2Øcos2Ø = 24/25
5 years ago
thank you problem solved
5 years ago