Problem 1RE: For Exercises 1-2, factor the expression completely. sin4xsin2xcos2x Problem 2RE: For Exercises 1-2, factor the expression completely. 12tan2x+11tanx15 Problem 3RE: For Exercises 3-4, find the LCD of the expressions. sinxtanx1;cosxtanx+1 Problem 4RE Problem 5RE Problem 6RE: For Exercises 5-6, simplify the expression. sec2x1sin2x Problem 7RE Problem 8RE Problem 9RE: For Exercises 7-14, verify the identity. 1cscx1+1csc+1=2tanxsecx Problem 10RE Problem 11RE: For Exercises 7-14, verify the identity. lncscx+lntanx=lnsecx Problem 12RE: For Exercises 7-14, verify the identity. lntanxlnsinx+lncosx=0 Problem 13RE Problem 14RE Problem 15RE: Write 16x2 as a function of by making the substitution x=4cosfor02. Problem 16RE Problem 17RE Problem 18RE: In Exercises 17-26, use an addition or subtraction formula to find the exact value. cos105 Problem 19RE Problem 20RE Problem 21RE Problem 22RE: In Exercises 17-26, use an addition or subtraction formula to find the exact value. tan1712 Problem 23RE: In Exercises 17-26, use an addition or subtraction formula to find the exact value.... Problem 24RE: In Exercises 17-26, use an addition or subtraction formula to find the exact value.... Problem 25RE: In Exercises 17-26, use an addition or subtraction formula to find the exact value.... Problem 26RE: In Exercises 17-26, use an addition or subtraction formula to find the exact value.... Problem 27RE Problem 28RE: Find the exact value for cos given sin=2129 for in Quadrant I and cos=2425 for in Quadrant III. Problem 29RE: For Exercises 29-32, verify the identity. cosxycosxsiny=coty+tanx Problem 30RE: For Exercises 29-32, verify the identity. sinxycosxcosy=tanxtany Problem 31RE Problem 32RE: For Exercises 29-32, verify the identity. sinx+4cosx+4=2sinx Problem 33RE: Write 3sinxcosx in the form ksinx+ for 02 . Problem 34RE: Write 3cosx4sinx in the form ksinx+a for 02 . Round to 3 decimal places. Problem 35RE: For Exercises 35-38, verify the identity. 2tanx1+tan2x=sin2x Problem 36RE Problem 37RE: For Exercises 35-38, verify the identity. sin2x2cos2x2=cosx Problem 38RE Problem 39RE: Write 16cos4x in terms of first powers of cosine. Problem 40RE Problem 41RE: For Exercises 41-44, use the given information to find the exact value of each expression.... Problem 42RE: For Exercises 41-44, use the given information to find the exact value of each expression.... Problem 43RE Problem 44RE Problem 45RE Problem 46RE: For Exercises 45-46, use the given information to find the exact value of each expression.... Problem 47RE Problem 48RE Problem 49RE: For Exercises 47-50, write the product as a sum or difference. sin3xcos6x Problem 50RE: For Exercises 47-50, write the product as a sum or difference. cos10xcos5x Problem 51RE Problem 52RE: For Exercises 51-54, write each expression as a product. sin10x+sin2x Problem 53RE Problem 54RE Problem 55RE: For Exercises 55-56, use a product-to-sum formula to find the exact value. sin37.5cos7.5 Problem 56RE: For Exercises 55-56, use a product-to-sum formula to find the exact value. cos54cos512 Problem 57RE Problem 58RE Problem 59RE: For Exercises 59-60, use the sum-to-product formulas to verify the identity. cos4+tcos4t=2sint Problem 60RE Problem 61RE: For Exercises 61-62, verify the identity. sin4xsin2xcos4xcos2x=cot3x Problem 62RE: For Exercises 61-62, verify the identity. sin3x+sin5x+sin8x=4sin4xcos5x2cos32 Problem 63RE Problem 64RE: For Exercises 63-70, a. Write the solution set for the general solution. b. Write the solution set... Problem 65RE: For Exercises 63-70, a. Write the solution set for the general solution. b. Write the solution set... Problem 66RE Problem 67RE Problem 68RE: For Exercises 63-70, a. Write the solution set for the general solution. b. Write the solution set... Problem 69RE: For Exercises 63-70, a. Write the solution set for the general solution. b. Write the solution set... Problem 70RE: For Exercises 63-70, a. Write the solution set for the general solution. b. Write the solution set... Problem 71RE Problem 72RE: For Exercises 71-88, solve the equations on the interval 0,2 . tanx2=33 Problem 73RE Problem 74RE: For Exercises 71-88, solve the equations on the interval 0,2 . cos=34 Problem 75RE Problem 76RE: For Exercises 71-88, solve the equations on the interval 0,2 . 4cosx=7 Problem 77RE Problem 78RE: For Exercises 71-88, solve the equations on the interval 0,2 . 6cscx2+11cscx2=0 Problem 79RE: For Exercises 71-88, solve the equations on the interval 0,2 . 17cos2x+4cosx1=0 Problem 80RE: For Exercises 71-88, solve the equations on the interval 0,2 . 10sin2x3sinx4=0 Problem 81RE: For Exercises 71-88, solve the equations on the interval 0,2 . 2cos2x5sinx+1=0 Problem 82RE Problem 83RE Problem 84RE: For Exercises 71-88, solve the equations on the interval 0,2 . sinx=cos2x Problem 85RE Problem 86RE Problem 87RE: For Exercises 71-88, solve the equations on the interval 0,2 . cosx+1=sinx Problem 88RE Problem 89RE Problem 90RE Problem 91RE Problem 92RE Problem 93RE Problem 1T: For Exercises 1-2, simplify the expression. 1cot2+1+1tan2+1 Problem 2T Problem 3T Problem 4T: For Exercises 3-8, verify the identity. cotxtanxcotx+tanx=cos2x Problem 5T Problem 6T Problem 7T Problem 8T Problem 9T Problem 10T: Write 8cosx15sinx in the form ksinx+ for 02 . Round to 3 decimal places. Problem 11T Problem 12T: For Exercises 12-17, find the exact value. sin250cos10cos250sin10 Problem 13T Problem 14T: For Exercises 12-17, find the exact value. cosarctan3+arcsin45 Problem 15T Problem 16T Problem 17T: For Exercises 12-17, find the exact value. sin555+sin105 Problem 18T Problem 19T Problem 20T: Given tan=158 and 32 find the exact function values. a. sin2 b. cos2 c. tan2 Problem 21T: For Exercises 21-22 a. Write the solution set for the general solution. b. Write the solution set on... Problem 22T Problem 23T: For Exercises 23-30, solve the equation on the interval [0,2) . 2cos3xcosx=0 Problem 24T: For Exercises 23-30, solve the equation on the interval [0,2) . 6csc2x17cscx+10=0 Problem 25T: For Exercises 23-30, solve the equation on the interval [0,2) . 6sin2x5cosx2=0 Problem 26T Problem 27T Problem 28T Problem 29T Problem 30T: For Exercises 23-30, solve the equation on the interval [0,2) . sinx+sin3xsin2x=0 Problem 31T Problem 32T: For a projectile launched from ground level at an angle of elevation with an initial velocity v0 ,... Problem 1CRE Problem 2CRE Problem 3CRE Problem 4CRE Problem 5CRE Problem 6CRE Problem 7CRE Problem 8CRE Problem 9CRE Problem 10CRE Problem 11CRE Problem 12CRE Problem 13CRE Problem 14CRE Problem 15CRE Problem 16CRE Problem 17CRE: Given fx=log3x, a. Write the domain and range in interval notation. b. Write an equation of the... Problem 18CRE Problem 19CRE Problem 20CRE format_list_bulleted