Verify the identity. show your work. cot2x + csc2x = 2csc2x - 1

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution