Question

TRIGONOMETRIC FUNCTIONS: Using reference triangles, find the sine, cosine, and tangent for = 225° 23. sin e 24. cos e 25. tane WORD PROBLEMS: Solve each word problem. Round the answer to the tenths place if necessary. 26. What is the sound level (loudness) of a sound with intensity 8 x 10 ? 27. A carpenter is installing diagonal supports to a glass window. If he measures the bottom of the window as 4 ft. and the side of the window as 6 ft., how long should he cut the diagonal support?

Answer 1

Date : 17 Page No. 0285 Sin (225) - Sin (2x90 +45°) = -sin 45° los (225) = los (2x 90 +45°) - - Los 45° tan (2257 tan (2x90 tus) ten 45° -