Questions asked by Jasmin

• Back to user's profile
• Cot B / sec B - tan B - cos B / sec B + tan B = sin B + csc B ?
  
• Cot B + cos B divided by sec B - cos B = csc B + 1 divided by tan^2 B can it be verified?
  
• Sin B ( sin B + cot B ) = 1 + cos A - cos^2 A ?
  
• Sin (x+y) + sin (x-y) / sin (x+y) - sin (x-y) = tan x cot y ?
  
• Cos x cos y / sin x sin y = cos (x+y) + cos (x-y) / cos (x-y) - cos (x+y) ?
  
• A town B is 50 miles of town A. Another town C, west of line AB is 30 miles from town A and 37 miles from town B. What is the direction when C bears from B?
  
• The bases of a trapezoid are 425 feet and 250 feet respectively. The angles that the sides make with the longer base are 64 degree and 75 degree. What are the sides of the trapezoid?