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10 Nov 2019
n Problems 37-54, use Fundamental Identities andlor the Complementary Angle Theorem to find the exact value of each exprssion Do not use a calculator. 37. sin2 20° + cos220° 1 38. sec228"-ta㡠28" 1 \ 30, sin 80°csc 80° 1 40. tan 10° cot 10° 1 41. tan s0° sin 50 42. ct 25 Cos 2543 , sin 38 cos 52 0 44. tan 12 47. 1 - cos 20° - cos70 48. 1tan's-cse 8s0 51. tan 35 sec 55. cos 35° 1 52. cot 25 csc 65 sin 25 54. sec 35 csc 55 -tan 35° cot 55° 1 cos 50 sin 25 cos 10° sin 80 45. 49. tan 20° CoS 70P 53. cos 35° sin 55 cos 55° sin 35 1 cos 46. -1 sin 50° 50. cot 40°- sin 50 sin 40° cos 20°
n Problems 37-54, use Fundamental Identities andlor the Complementary Angle Theorem to find the exact value of each exprssion Do not use a calculator. 37. sin2 20° + cos220° 1 38. sec228"-ta㡠28" 1 \ 30, sin 80°csc 80° 1 40. tan 10° cot 10° 1 41. tan s0° sin 50 42. ct 25 Cos 2543 , sin 38 cos 52 0 44. tan 12 47. 1 - cos 20° - cos70 48. 1tan's-cse 8s0 51. tan 35 sec 55. cos 35° 1 52. cot 25 csc 65 sin 25 54. sec 35 csc 55 -tan 35° cot 55° 1 cos 50 sin 25 cos 10° sin 80 45. 49. tan 20° CoS 70P 53. cos 35° sin 55 cos 55° sin 35 1 cos 46. -1 sin 50° 50. cot 40°- sin 50 sin 40° cos 20°
Elin HesselLv2
8 May 2019