new file:   File:Circle-trig6.svg - Wikipedia, the free encyclopedia.webarchive
    new file:   Sine - Wikipedia, the free encyclopedia.webarchive
	new file:   Tangent - Wikipedia, the free encyclopedia.webarchive
	new file:   Trigonometric functions - Wikipedia, the free encyclopedia.webarchive
	new file:   Trigonometry - Wikipedia, the free encyclopedia.webarchive
	new file:   daa2cn84013_13.pdf