sine (in radians)</p>
<!-- R; atanh; (T x); -->
<p></p>
<p><code>R</code> <strong><code>atanh</code></strong><code>(T x)</code><br>
inverse hyperbolic tangent (in radians) of x</p>
</div>
            </section>

          </div>
        </div>
      </div>
<a href="trigonometric-functions.html" class="navigation navigation-prev " aria-label="Previous page"><i class="fa fa-angle-left"></i></a>
<a href="link-functions.html" class="navigation navigation-next " aria-label="Next page"><i class="fa fa-angle-right