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# Find the acute angles between the curves at their points of intersection. (The angle between two curves is the angle between their tangent lines at the point of intersection.)$y = \sin x$ , $y = \cos x$ , $0 \le x \le \frac{\pi}{2}$

## $70.53^{\circ}$

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##### Heather Z.

Oregon State University

##### Kristen K.

University of Michigan - Ann Arbor

##### Michael J.

Idaho State University

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### Video Transcript

the problem is finding a cute angles between the curves at their points from interception. Why you could sign axe? Why is equal to sine X So first we need to compute intersection point of these jokers. It's a light side axe, Nico to Kasai necks we have and in tax is equal to one. So Max is they could who Jai Ho are for and then derogative off. Why go to sign? Axe is signed X derivative Why go to assign yaks is active So that is a point actually Go to high over four snow pose attendant line after a curve flying to sign axe is the country assign pie or force of this is you're tough to over. It wasn't Kurt. Why don't you focus on axe? This is negative. Return to Richard. Set a direction. Work to have time to the line. I disappoint higher before he's this's you got you, Juan. You Teo Teo Over too. And it was a curve. Weyco to Kasai attacks. This is one negative motive to over it too. Then everything now? Yeah, cute and goes between the curves. That's the point. Reform is they die. Then they'd eyes could you assign humorous Absolute. While you If you don't be over magnitude, you have to read. This is in control. Assign humors half over. What? Plus one, huh? Perhaps two one plus one half. This is a code to assign humors. My third. This This is a part found one degrees.

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##### Heather Z.

Oregon State University

##### Kristen K.

University of Michigan - Ann Arbor

##### Michael J.

Idaho State University

Lectures

Join Bootcamp