θ cot = 1 = 1 = 1⋅ 2 = cscθ = 1 = 1 = 1⋅ ⎛ − 3 ⎞ = −3 2 θ tan θ ⎛ 1 sin ⎜ ⎟ ⎞ 1 ⎛ ⎞ 1 1 ⎜ 2 ⎟ ⎝ ⎠ ⎜ 3 ⎟ ⎝ ⎠ ⎝ ⎠ secθ = 1 = 1 = 3 ⋅ 2 = 3 2 = 1 , cosθ = 3 39. 2 2 ⎛ 2 2 2 4 ⎞ θ cosθ sin 2 2 ⎜ 3 ⎟ ⎝ ⎠ = ⋅ ⋅ = 1 2 3 ⎛ 1 ⎞ θ = tan sin 3 θ ⎜ 2 ⎟ cot = 1 = 1 = − 4 ⋅ 2 = − 2 2 θ cosθ ⎛ 2 ⎞ 2 2 tan ⎛ ⎞ − 3 2 3 3 3 θ ⎜ ⎟ 2 ⎜ 4 ⎟ ⎝ ⎠ ⎝ ⎠ cscθ = 1 = 1 = 1⋅ 2 = 2 θ sin 42. ⎛ 1 ⎞ 1 θ sin = 2 2 , cosθ 1 ⎜ ⎟ ⎝ ⎠ ⎛ ⎞ 2 2 secθ = 1 = 1 = 2 ⋅ 3 = 2 ⎜ 3 ⎟ 3 cosθ 2 2 ⋅ − 3 = − 2 2 3 3 θ tan = sin = ⎝ ⎠ = 3 ⎛ 3 ⎞ θ ⎜ 2 ⎟ cosθ ⎛ − 1 ⎞ 3 1 ⎝ ⎠ ⎜ 3 ⎟ θ ⎝ ⎠ cot = 1 = 1 = 3 ⋅ 3 = 1 1 3 2 3 2 3 θ tan cscθ = = = 1⋅ ⋅ = θ ⎛ ⎞ sin 2 2 2 2 2 4 ⎛ 3 ⎞ 3 3 ⎜ ⎟ ⎜ ⎟ 3 ⎝ ⎠ ⎜ 3 ⎟ ⎝ ⎠ secθ = 1 = 1 = 1⋅ ⎛ − 3 ⎞ = −3 40. θ ⎛ 1 ⎞ sin cosθ ⎜ 1 ⎟ 3 , cosθ = 1 = 2 2 ⎜ − ⎟ ⎝ ⎠ ⎛ 3 ⎞ ⎝ 3 ⎠ θ sin ⎜ ⎟ 3 2 ⎝ ⎠ θ = = = − ⋅ = − cot 1 1 1 2 2 θ = = = ⋅ tan = 3 − 2 2 2 2 2 4 tan θ cosθ ⎛ 1 ⎞ 2 1 ⎜ ⎟
cot θ = 1 = 1 = 1⋅ 2 = 2 cscθ = 1 = 1 = 1⋅ ⎛ − 3 ⎞ = −3 tan θ ⎛ 1 ⎞ 1 sin θ ⎛ 1 ⎞ ⎜ 1 ⎟ ⎜ 2 ⎟ ⎝ ⎠ ⎜ 3 ⎟ ⎝ ⎠ ⎝ ⎠ secθ = 1 = 1 = 3 ⋅ 2 = 3 2 39. sin θ = 1 , cosθ = 3 cosθ ⎛ 2 2 ⎞ 2 2 2 4 2 2 ⎜ 3 ⎟ tan θ = sin θ ⎛ 1 ⎞ ⎜ 2 ⎟ = 1 ⋅ 2 ⋅ 3 = 3 ⎝ ⎠ cot θ = 1 = 1 = − 4 ⋅ 2 = − 2 2 cosθ ⎛ 3 ⎞ 2 3 3 3 tan θ ⎛ 2 ⎞ 2 2 − ⎜ 2 ⎟ ⎜ 4 ⎟ ⎝ ⎠ ⎝ ⎠ cscθ = 1 = 1 = 1⋅ 2 = 2 sin θ ⎛ 1 ⎞ 1 42. sin θ = 2 2 , cosθ 1 ⎜ ⎟ ⎝ ⎠ ⎛ 2 2 ⎞ secθ = 1 = 1 = 2 ⋅ 3 = 2 3 ⎜ 3 ⎟ cosθ ⎛ 3 ⎞ 3 3 3 tan θ = sin θ = ⎝ ⎠ = 2 2 ⋅ − 3 = − 2 2 ⎜ 2 ⎟ cosθ ⎛ − 1 ⎞ 3 1 ⎝ ⎠ ⎜ 3 ⎟ cot θ = 1 = 1 = 3 ⋅ 3 = 3 ⎝ ⎠ 1 1 3 2 3 2 tan θ ⎛ 3 ⎞ 3 3 cscθ = = = 1⋅ ⋅ = sin θ ⎛ 2 2 ⎞ 2 2 2 4 ⎜ 3 ⎟ ⎜ ⎟ ⎝ ⎠ ⎜ 3 ⎟ ⎝ ⎠ secθ = 1 = 1 = 1⋅ ⎛ − 3 ⎞ = −3 40. sin θ = 3 , cosθ = 1 cosθ ⎛ 1 ⎞ ⎜ 1 ⎟ 2 2 ⎜ − ⎟ ⎝ ⎠ ⎛ 3 ⎞ ⎝ 3 ⎠ sin θ ⎜ ⎟ ⎝ ⎠ 3 2 cot θ = 1 = 1 = − 1 ⋅ 2 = − 2 tan θ = = = ⋅ = 3 tan θ − 2 2 2 2 2 4 cosθ ⎛ 1 ⎞ 2 1 ⎜ ⎟
62514-0132318806_ISM_02-1.docx