Trigonometry
Determine the angle measure θ\thetaθ without using a calculator. Express the answer in degrees.
θ=arccot(−1)\theta=arc\cot\left(-1\right)θ=arccot(−1)
135∘135^{\circ}135∘
315∘315^{\circ}315∘
−30∘-30^{\circ}−30∘
120∘120^{\circ}120∘