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GeoGebraClasse GeoGebra

Sine and Cosine

Find sinA, sinC, cosA, and cosC. Write each answer as a fraction in simplest form.

Write the expression sin 37° in terms of cosine.

Write the expression  cos 59° in terms of sine.

Find the exact lengths of the two legs

Find the exact lengths of the two remaining sides.

Real world

You are flying a kite with 20 feet of string extended. The angle of elevation from the spool of string to the kite is 67°. How far off the ground is the kite if you hold the spool 5 feet off the ground?  Round your answer to the nearest tenth.