Ask a New Question
Menu

Evaluate the expression. Assume that all angles are in quadrant 1.

1. cos(arccos4/5)

1 answer

by definition,

arccos(4/5) is the angle whose cosine is 4/5

so, cos(that angle) is . . . 4/5!
Similar Questions
    1. answers icon 1 answer
  2. Evaluate the expression under the given conditions. (show work please)sin(A-B); tan A=12/5, A in quadrant 3, sinB=-3sqrt(10)/10,
    1. answers icon 0 answers
  3. Evaluate the expression under the given conditions.? show work please!sin(A-B); tan A=12/5, A in quadrant 3, sinB=-3sqrt(10)/10,
    1. answers icon 1 answer
  4. evaluate the expression under the given conditions.cos(θ − ϕ); cos(θ) = 5/13, θ in Quadrant IV, tan(ϕ) = − square
    1. answers icon 1 answer
more similar questions