Preheat oven to 375°. In a large bowl, cream butter, shortening, and brown sugar until light and fluffy. Beat in eggs and vanilla. In another bowl, whisk flour, salt, baking soda and baking powder; gradually beat into creamed mixture. Stir in coconut and oats.

Drop dough by tablespoonfuls 2 in. apart onto ungreased baking sheets. Bake 8-10 minutes or until light brown. Remove from pans to wire racks to cool.