Assuming x = 1 and is not any other value. I will answer two of those and leave one of them to you. 1: tan<span>(<span>1+540</span>)</span><span><span> </span></span><span>0.754012 3: </span><span><span>5<span>(<span>cos<span>(1)</span></span>)</span></span>+<span>3<span>(<span>cos<span>(<span>−1</span>)</span></span>) </span></span></span><span><span>4.322418</span></span>
