Math Help - Smallest angle of right-triangle.

1. Smallest angle of right-triangle.

I don't even have an idea on how to start.AIks..

The perimeter of a right angled triangle is n times of the length of its shortest side. Show that the smallest angle θ of the triangle satisfies the equation.
1+ cosθ=(n-1) sinθ

2. Hi

Let x be the length of the hypotenuse and $\theta$ one of the acute angles of the rectangle
What are the lengths of the 2 other sides ?
What is the perimeter ?
Write that the perimeter is n times of the length of the shortest side

3. Oh yes!!! Thank you so much!!
Now i know its that easy!><