Question: . Question 20 2 pts 1 0 Details Let a = and b =. Find a . b. Question Help: ) Message instructor Question 21

 . Question 20 2 pts 1 0 Details Let a =

and b =. Find a . b. Question Help: ) Message instructor

. Question 20 2 pts 1 0 Details Let a = and b =. Find a . b. Question Help: ) Message instructor Question 21 4 pts 9 1 0 Details sin? (t) Simplify to an expression involving a single trig function with no fractions. 1 - sin (t) If needed, enter squared trigonometric expressions using the following notation. Example: Enter sin (t) as (sin(#))2. Question Help: Message instructor

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