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4-63.

For each triangle below, write a trigonometric equation relating , , and .  

  1. A right triangle with a hypotenuse of, a, and height of, b. Angle theta is opposite side, b.

  1. A right triangle with base of, b, and height of, a. Angle theta is opposite side, a.

  1. A right triangle with a height of, a, and hypotenuse of, b. Angle theta is opposite the unknown side.