I think you substitute 189 for the letter t.
You actually do substitute.
Answer:
There is no right or wrong answer
Step-by-step explanation:
You did not give enough information, this formula usually comes with a triangle that you want to solve, therefore no one can answer this correctly since there is nothing to solve.
Answer:
0
Step-by-step explanation:
the product is three numbers multiplied together. any number times 0 is 0, so one of the numbers has to be 0