What is the area of the obtuse triangle given below?
6,18

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.