momzsons9404 momzsons9404 07-07-2020 Mathematics contestada If cos θ = -2/5 and tan θ > 0, what is the value of sin θ? Answer Choices: a) the negative square root of 21 b) the negative square root of 21 over 5 c) the square root of 21 over 5 d) the square root of 21 over 2