Derivatives of Trig Functions

Derivative of Trigonometric Function


<div class="wp-block-create-block-problemblock">What is the derivative of ##y = x{}\cos{(x)} ##</div>


<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
<iframe loading="lazy" title="Derivatives of Trig Functions.mov" width="750" height="422" src="https://www.youtube.com/embed/rd4DCmB2l4Y?start=140&#038;feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
</div></figure>
