Posted by
**Devon** on
.

find the exact solutions (è in degrees)

sin^2è+2cosè=-2

change the sin^2 to 1-cos^2, then rearrage the equation into quadratic form, use the quadratic equaion.

Saturday

March 25, 2017
Posted by
**Devon** on
.

find the exact solutions (è in degrees)

sin^2è+2cosè=-2

change the sin^2 to 1-cos^2, then rearrage the equation into quadratic form, use the quadratic equaion.

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