need help with these questions. answer them and let me check mine with yours.

1.

Convert the polar equation to rectangular coordinates. r + cos0 = 4. Ox2 +y + x =16x2+ yz Ox2 + y2 + x = 16x2 + y2 Ox2 + y2 +y = 4x2 + yz Ox2 + y2 + x = 4x2 + yzRefer to the figure, where the two smaller triangles on top are right triangles. Find the numerical value of sin(2y). 6 5 3 5 A B VLet a and B be angles in the first quadrant such that seca = 3 / 2 and cscB = 3. Find cosa - B. 2V2 + 15 9 4V2 + 15 9 AV2 + V3 3 O 412 + 13 9Find an equation for the graph. 5 15- 16 -51 - slut. cast .3 Which of the fullswing expressions is equal to cost. 1 - sin: ' If sin 0 = -, with 0 in quadrant II, find the exact value of cos 0 + 6 O 3 5 + 1 8 V15 - 413 16 V3 - V15 8 O V3 + V15 8Which of the following is not a polar point representation for the point 3, It / 3 ? O 3, 2nt / 3 O 3, 7Tt / 3 -3, 10TT / 3 -3, 4Tt / 3For the function f(x) = -3sin(2x) + 4cos(2x) identify (i) the amplitude C, and (ii) the phase shift o in degrees. () C = 5 (ii) -126.870 O () C = 5 (ii) 126.870 O (i) C = 5 (ii) 53.130 O () C = 5 (ii) -53.130Use the figure below to find the value of sin ( A + B ) + cos ( A + B ). A B O 2VZ VZ Oo O V2 /2Which of the following expressions is the slope m of the red line shown below? VA L X O m = tane O m = seco Om = cot20 O m = cote