SecantCosecantCotangent
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Aim: How do we find the secant, cosecant and cotangent of an angle? MB43 11/6/0 8 Lomas Do Now: sin cos tan 30 o 45 o 60 o 90 o 0 o radia n degre e HW Read 672- 678 Do pg 678-9 1-9odd, 19,22,23,25,2 8
Transcript of SecantCosecantCotangent
Aim: How do we find the secant, cosecantand cotangent of an angle?
MB4311/6/08Lomas
Do Now:
sin cos tan
30o
45o
60o
90o
0o
radiandegree
HW Read 672-678Do pg 678-9 1-9odd, 19,22,23,25,28
Aim: How do we find the secant, cosecantand cotangent of an angle?
MB4311/6/08Lomas
tan θ =sin θcos θ
Why? Use our table to show...
tan 30 =sin 30 = cos 30 =
sin 30cos 30
=
Read 672-678Do pg 678-9 1-9odd, 19,22,23,25,28
Aim: How do we find the secant, cosecantand cotangent of an angle?
MB4311/6/08Lomas
sec θ = 1cos θ
csc θ = 1sin θ
cot θ = 1tan θ
Secant, cosecant, and cotangent are the reciprocals of cosine, sine, and tangent
Read 672-678Do pg 678-9 1-9odd, 19,22,23,25,28
Aim: How do we find the secant, cosecantand cotangent of an angle?
MB4311/6/08Lomas
sec 60 Find:
cot 45 csc 45
π3csc
Read 672-678Do pg 678-9 1-9odd, 19,22,23,25,28
Aim: How do we find the secant, cosecantand cotangent of an angle?
MB4311/6/08Lomas
Express in terms of sin θ or cos θ or both
sec θ cot θ
tan θcsc θ
cot θ
Read 672-678Do pg 678-9 1-9odd, 19,22,23,25,28
Aim: How do we find the secant, cosecantand cotangent of an angle?
MB4311/6/08Lomas
Read 672-678Do pg 678-9 1-9odd, 19,22,23,25,28
