Use the Reciprocal Identities for the Following Problem

Q78: Find  α  if A  = α .

Q79: Add or subtract as indicated. Then simplify

Q80: Simplify the expression <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX9354/.jpg" alt="Simplify the

Q81: Draw the following angle in standard position;

Q82: In which quadrant must the terminal side

Q84: Use a ratio identity to find tan 

Q85: There is an angle in standard position

Q86: Suppose ABC  is a right triangle with

Q87: For this problem, let <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX9354/.jpg" alt="For

Q88: Find r  if AB = 32 and AD = 40.