## Trigonometry (11th Edition) Clone

Step 1: Since tangent and cotangent are cofunctions, the sum of their angles is equal to $90^{\circ}$, $(90^{\circ}-35^{\circ})+35^{\circ}=90^{\circ}$ Step 2: Solving, $55^{\circ}+35^{\circ}=90^{\circ}$ Step 3: $90^{\circ}=90^{\circ}$ Step 4: Therefore, the statement is true.