Day 8 examples u7f13
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This document provides instructions on how to find the sine, cosine, and tangent of the sum of two angles, and uses examples to illustrate how to determine the quadrant and coordinates of the sum. It asks the reader to find the sine, cosine, coordinates, quadrant, and other trig functions of the sum of two angles where the sine and cosine of the individual angles are given. It also provides a homework assignment asking the reader to complete practice problems finding trig functions of summed angles.
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Day 8 examples u7f13
- 2. Recall, P( ) = (cos , sin ) Let = + P( + ) = (cos( + ), sin( + )) Sum + Difference Tougher Given cos sin =4 = 12 where P( ) is in quad 1 and P( ) is in quad 2 a) sin( + ) b) cos( + ) c) Coordinates of P( + ) d) Quad of P( + ) e) tan( + )
- 3. Given sin cos =3 = -12 where neither is in quad 2 a) sin( + ) b) cos( + ) c) Coordinates of P( + ) d) Quad of P( + ) e) csc( + )
- 4. Assignment WS Practice #37, 38, 40