val-cos_up" class="anchor"></a><code><span class="keyword">val</span> cos_up : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="index.html#type-t">t</a></code></dt><dt class="spec value" id="val-cos_down"><a href="#val-cos_down" class="anchor"></a><code><span class="keyword">val</span> cos_down : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="index.html#type-t">t</a></code></dt><dt class="spec value" id="val-sin_up"><a href="#val-sin_up" class="anchor"></a><code><span cla