8) Simplify the following trigonometric expression as much as possible. 1-cosx sinx sinx 1-cosx a. 2 csc x b. cos x c. 2
Posted: Tue May 10, 2022 4:38 pm
8) Simplify the following trigonometric expression as much as possible. 1-cosx sinx sinx 1-cosx a. 2 csc x b. cos x c. 2 sinx d. sinx 9) csc(+2) For alle for which the expression is defined, is equivalent to which of the following? cot(+1) cose a. cose b. sec(+) cese d. none of these 10) Given that sin a = 3/5 and that sin B = -4/5 find a possible value of sin(a+B). a. -1/5 b. -7/25 C-12/25 d. 1/5 11) 1 - COS X sinx A) -ccx-cotx B) csex-cotx cxx+cotx D) ccx-cotx+1