How can I show that 3sin^2 x-cos^2 x=2 can be written as 4sin^2 x=3? no answer needed, just take the points.

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

Tan198=asin164=? how to solve this? ?

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