Use identities to evaluate the expression. (Round your answer to two decimal places.) If tan(t) ≈ 1.9, and sin(t) ≈ 0.89, find cos(t)

Answer 1

tan = sin/cos

1.9 = 0.89 / cos

1.9 * cos = 0.89

cos = 0.89/1.9 = 0.46842105263157895-