MathDB
Trigonometric Manipulations

Source:

January 11, 2009
trigonometry

Problem Statement

Let x x be a real number such that \sec x \minus{} \tan x \equal{} 2. Then \sec x \plus{} \tan x \equal{} <spanclass=latexbold>(A)</span> 0.1<spanclass=latexbold>(B)</span> 0.2<spanclass=latexbold>(C)</span> 0.3<spanclass=latexbold>(D)</span> 0.4<spanclass=latexbold>(E)</span> 0.5 <span class='latex-bold'>(A)</span>\ 0.1 \qquad <span class='latex-bold'>(B)</span>\ 0.2 \qquad <span class='latex-bold'>(C)</span>\ 0.3 \qquad <span class='latex-bold'>(D)</span>\ 0.4 \qquad <span class='latex-bold'>(E)</span>\ 0.5