13 Pythagorean Theorem and its Converse Show Answers
11.12.
13 Sine, Cosine and Tangent Answers 10.2. 23.3. 0.4. 15. 0.6. 0.
13 Application Problems Answers
13 Introduction to Angles of Rotations, Coterminal Angles and Reference Angles Answers
13 Trigonometric Ratios on the Unit Circle 13 Reciprocal Trigonometric Functions 13 Trigonometric Ratios of Points on the TerminalSide of an AngleAnswers 1. (34,298°)2. (52,45°)3. (13,4)4. (41,1)5. (45,2)6. (10,127°),sin127 434553 ,cos127 ,tan127 ,csc127 ,sec127 ,cot °= 553434 °=− °=− °= °=− °=− 7. (15,270°),sin 270 1,cos270 0,tan 270°=− °= °= und ,csc270 1,sec270°− °= und ,cot270 0°= 8. (241,321°),sin 321 441 ,cos321 541 , tan 321 4 ,csc321 41 ,sec321 41 , cot 321°=− 541 °= 41 °=− 5 °=− 4 °= 5 °=− 4 9. (8,30°),sin30 133 ,cos30 ,tan30 ,csc30 2,sec30 23 ,cot30 3 °=22 3°= °= °= °= 3 °= 10. (6 2,135°),sin135 22 ,cos135 ,tan135 1,csc135 2,sec135 2,cot135 1 °= 22 °=− °=− °= °=− °=− 11. ( )9,π , sin 0,cosππ ππ π π==−1,tan 0,csc== = und ,sec −1,cot = und
sin72727 7,cos ,tan 11,csc 2,sec7 72,cot 1 42 42 4 4 4 4 ππππππ=− = =− =− = =−
sin 0 313 ,cos0 213 , tan 0 ,csc0 313 ,sec0 13 ,cot 0 2 ====== 13 13 2 3 2 3
sin43414 4234 43,cos ,tan 3,csc ,sec 2,cot 32 323 3 3 3 33 ππππ ππ=− =− = =− =− =
sin 2 5251 ,cos 2 , tan 2 ,csc2 5,sec2 2 5,cot 2 2 =− 552 =− = =− =− = 13 Law of Sines with AAS and ASA Answers
13 The Ambiguous Case – SSA Answers
13 Law of Cosines with SAS (to find the third side) 3. 24.6. 30.10. 31.
13 Law of Cosines with SSS (to find an angle) Answers
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