Test (double angle/simplifying Trig Identity)

6) sin 6 - - - and 180

6) Sin - - and e Find eos20 7 24 7) Trigonometric Identities to write thc expression in terms of a single identity or a constant. sin Osec O A) sin 6 B) cot 8) Sinpli#' the expression A) tan x cos xsec x C) cot x D) COs D) cos x cos x 9) Simplify the expression to a number or one trig function. cot x D) cos x C) cot x 10) Use Trigonometric Identities to write the expression in terms of a single trigonometric identity ot a constant. A) sin x tan x B) cos x C) csc x D) sec x 11) Simplify the expression to a number or one trig function. see x - sin xtan x D) cos x C) tan x B) sin x A) sec x 12) Simplify the expression to a number or one trig function. sec x - sin Xtan x D) csc x C) sin x B) sec x A) cos x 13) EXTRA CREDIT Simplify the expression to a number or one trig function. -2- sin x + tan x 1 + sec x