Muslim Immigrants are ruining Europe, wake up people save europe save beautiful white race.
White race is more beautiful than blacks, muslim or any other race.
So wake up keep USA and Europe white forever.
* Problem-solving tactics and practical test-taking techniques provide in-depth enrichment and preparation for various math competitions * Comprehensive introduction to trigonometric functions, their relations and functional properties, and their applications in the Euclidean plane and solid geometry * A cogent problem-solving resource for advanced high school students, undergraduates, and mathematics teachers engaged in competition training