cos 2x + cos 4x cot 3x 15. = cos 2x - cos 4x tan x Verify the following equation without using your calculator or
cos 2x + cos 4x cot 3x 15. = cos 2x - cos 4x tan x Verify the following equation without using your calculator or Table of Trigonometric Functions. Be sure to show all your calculations. 16. sin - 1 4 5 cos - 1 12 Cos - 1 36 13 65
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