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Published byMyron Dorsey Modified over 9 years ago
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5-5 Solving Right Triangles
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Find Sin Ѳ = 0
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Find Cos Ѳ =.7
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Inverses of Trigonometric Functions Arccosine relation – the inverse of y= cos x Arcsine relation – the inverse of y= sin x Arctangent relation – the inverse of y= tan x y= sin x y= cos x y= tan x
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Solve each equation using chart tan x = 1 45°, 225°, or any angles coterminal with these angles. sin x = -1/2 210°, 330°, or any angles coterminal with these angles.
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Solve each equation using graphing calculator tan x = 1 45°, 225°, or any angles coterminal with these angles. sin x = -1/2 210°, 330°, or any angles coterminal with these angles.
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Finding inverses using the graphing calculator
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Evaluate each expression. Assume that all angles are in Quadrant 1.
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Evaluate each expression. Assume that all angles are in Quadrant I 3/4 2/5
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If f=17 and d=32, find E. F d e E f D
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If g=28 and h=21, find H. H f g G h F About 48.6⁰
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Solve the triangles described, given the following triangle. B c a A b C A = 33⁰, b=5.8 Find B Find a Find c
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c=6.92
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a=23, c=45 Find b Find A Find B B c a A b C
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