Question

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Sinなんちゃらみたいな日本語の単元名教えてください

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Ex 2) Use your caleulator to evaluate these ratios to the nearest four decimal places
) sin32" = 0.521 b) cos72" =0.3010c) sin80" =D0.1148a) cos12" = 0. 17 81
Finding missing sides: This is done in the same way as with Tangent ratios, except we use
different sides of the triangle depending on if we are using Sine or Cosine.
Ex 3) Determine the length of the indicated sides for each triangle using trigonometric ratios.
a) Find BC:
b) Find ED.
55"
X
68cm
5OP
41:08 / 1:33:22
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Eコ
CC

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