Recently Asked Questions

• Compound Angles
  1. If \alpha \neq \beta and atan\alpha + btan\beta = (a+b) tan ((\alpha + \beta)/2) show that cos \alpha / cos \beta = a/b ...
  0·1· #Mathematics#Trignometry
  asked2010-08-08 07:22:27
• Problem on Compound Angles
  1. If sinA + sinB = 2 what is the value of sin(A+B) ? 2. If cos (\beta - \gamma ) + cos (\gamma - \alpha )+cos(\alpha - \beta )= - 3 / 2 show that cos\alpha + cos\beta + cos\gamma = 0 and sin \alpha + sin \beta + sin \gamma = ...
  0·3· #Mathematics#Trignometry
  asked2010-08-08 07:13:32