Use a reference triangle in an appropriate quadrant to find the given angle.

/in /by

Use a reference triangle in an appropriate quadrant to find the given angle.

tan^-1(-1)=

State the derivative formulas for

sine Superscript negative 1 Baseline xsin−1x,

tangent Superscript negative 1 Baseline xtan−1x,

and

secant Superscript negative 1 Baseline xsec−1x.