Use the Reciprocal Identities for the Following Problem

Q70: An airplane is approaching Los Angeles International

Q71: Find the remaining sides of a 45° -

Q72: Suppose ABC  is a right triangle with

Q73: Using your calculator and rounding your answers

Q74: Write the following in terms of sin 

Q76: Use a ratio identity to find tan 

Q77: Find <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX9354/.jpg" alt="Find  if

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