QUESTION 4 4.1 Simplify the following trigonometric expressions without the use of a calculator
cos300°-tan(-3159)
411
sin 150°+tan135°​

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

Last week , donnell practiced the piano 3 hours longer than marcus . together, marcus and donnell practiced the piano 11 hours . for how many hours did each young man practiced the piano