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

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 xsin1x,

tangent Superscript negative 1 Baseline xtan1x,

and

secant Superscript negative 1 Baseline xsec1x.