Question: Use the given substitutions to show that the equations are valid for 0 < /2. If x = cos , show that 1
Use the given substitutions to show that the equations are valid for 0 ≤ θ
If x = cos θ, show that

1 - x X tan 0.
Step by Step Solution
3.55 Rating (165 Votes )
There are 3 Steps involved in it
Given x cos We know that tan sin cos Substituting x cos we get tan sin x We also know that sin2 cos2 ... View full answer
Get step-by-step solutions from verified subject matter experts
