Engineering Board Exam Reviewer · Trigonometric Identities · easy

Simplify: ≤ft( ) ≤ft( ) + ≤ft( ) ≤ft( )

1. ≤ft( ) ≤ft( )
2. 1
3. ≤ft( ) ≤ft( )
4. 2 ≤ft( ) ≤ft( )

Answer

C. ≤ft( ) ≤ft( )

Solution

/ + / = 2 + 2 / =1/ = .

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