10. Nilai sin 15 ° +cos 105 ° -2sin 37 ° +cos 60 ° +2cos 53 ° adalah .... a. 1/2 square root of 3 b. 1/2 square root of 2 c. 1/2 d. 1/3 e. 1/4 Question Answer: solved algebra 10 months ago 8431