SOLUTION: PLEASE HELP! Evaluate the expression under the given conditions. sin(θ − ϕ); tan θ = 3/4,θ in Quadrant III, sin ϕ = − 3 sqrt 10/10, ϕ

Algebra ->  Trigonometry-basics -> SOLUTION: PLEASE HELP! Evaluate the expression under the given conditions. sin(θ − ϕ); tan θ = 3/4,θ in Quadrant III, sin ϕ = − 3 sqrt 10/10, ϕ       Log On


   



Question 1024596: PLEASE HELP!
Evaluate the expression under the given conditions.
sin(θ − ϕ); tan θ = 3/4,θ in Quadrant III, sin ϕ = − 3 sqrt 10/10, ϕ in Quadrant IV

Answer by ikleyn(52802) About Me  (Show Source):