1 The Six Trigonometric Functions 2 Right Triangle Trigonometry 3 Radian Measure 4 Graphing And Inverse Functions 5 Identities And Formulas 6 Equations 7 Triangles 8 Complex Numbers And Polarcoordinates A Appendix: Review Topics Chapter5: Identities And Formulas
5.1 Proving Identities 5.2 Sum And Difference Formulas 5.3 Double-angle Formulas 5.4 Half-angle Formulas 5.5 Additional Identities Chapter Questions Section5.4: Half-angle Formulas
Problem 1PS: For Questions 1 and 2, fill in the blank with an appropriate word or expression. When using the... Problem 2PS Problem 3PS: For Questions 3 through 5, complete each half-angle identity. sinx2=. Problem 4PS Problem 5PS Problem 6PS: For Questions 6 through 8, determine if the statement is true or false. The cosine of half an angle... Problem 7PS Problem 8PS Problem 9PS: If 0A90, then A/2 terminates in which quadrant? Problem 10PS: If 90A180, then A/2 terminates in which quadrant? Problem 11PS: If 180A270, then A/2 terminates in which quadrant? Problem 12PS Problem 13PS: If 270A360, then is cos(A/2) positive or negative? Problem 14PS: If 180A270, then is sin(A/2) positive or negative? Problem 15PS: True or false: If sinA is positive, then sin(A/2) is positive as well. Problem 16PS: True or false: If cosA is negative, then cos(A/2) is negative as well. Problem 17PS Problem 18PS Problem 19PS Problem 20PS: Use half-angle formulas to find the exact values for each of the following. sin75 Problem 21PS: Use half-angle formulas to find the exact values for each of the following. sin105 Problem 22PS Problem 23PS Problem 24PS: NOTE For the following problems, assume that all the given angles are in simplest form, so that if A... Problem 25PS Problem 26PS Problem 27PS: If sinA=513 with A in QII, find the following. cosA2 Problem 28PS Problem 29PS: If sinA=513 with A in QII, find the following. secA2 Problem 30PS: If sinA=513 with A in QII, find the following. cscA2 Problem 31PS: If sinB=13 in QIII, find the following. sinB2 Problem 32PS: If sinB=13 in QIII, find the following. cscB2 Problem 33PS: If sinB=13 in QIII, find the following. cosB2 Problem 34PS Problem 35PS: If sinB=13 in QIII, find the following. cotB2 Problem 36PS: If sinB=13 in QIII, find the following. tanB2 Problem 37PS: If sinA=45 with A in QII, and sinB=35 with B in QI, find the following. cosA2 Problem 38PS: If sinA=45 with A in QII, and sinB=35 with B in QI, find the following. sinA2 Problem 39PS: If sinA=45 with A in QII, and sinB=35 with B in QI, find the following. sinB2 Problem 40PS: If sinA=45 with A in QII, and sinB=35 with B in QI, find the following. cosB2 Problem 41PS: Graph each of the following from x=0 to x=4. y=4sin2x2 Problem 42PS Problem 43PS Problem 44PS Problem 45PS Problem 46PS: Prove the following identities. 2cos22=sin21cos Problem 47PS Problem 48PS: Prove the following identities. csc2A2=2secAsecA1 Problem 49PS Problem 50PS: Prove the following identities. tanB2=secBsecBcscB+cscB Problem 51PS: Prove the following identities. tanx2+cotx2=2cscx Problem 52PS Problem 53PS Problem 54PS Problem 55PS Problem 56PS Problem 57PS Problem 58PS Problem 59PS Problem 60PS: The following problems review material we covered in Section 4.7. Reviewing these problems will help... Problem 61PS Problem 62PS Problem 63PS Problem 64PS Problem 65PS Problem 66PS Problem 67PS Problem 68PS Problem 69PS Problem 12PS
Related questions
Which pair of angles are alternate exterior ?
Transcribed Image Text: Which pair of angles are alternate exterior?
<4 and <6
O <4 and <7
O<7 and <8
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4
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5/8
7
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Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.
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