9. In AABC, ZB = 45°, a = 13, and ZC = 63°. Find AB. 13 sin 45° (a) sin 67° (b) 13 sin 67° sin 45° 13 sin 45° (c) sin 72° 13 sin 63° (d) sin 72°

Q: B. 90 A C. 4 3.

A:

Q: Determine whether the statement is true or false. Justify your answer.  a. cot220° - csc220° = -1…

A:

Q: sin 45° + cos 45° = 1.Determine whether the statement is true or false. If the statement is false,…

A: sin45°+cos45°=1 Now, sin45°+cos45°=22+22=222=2 Hence the given statement is false.

Q: 5) Find the exact values. Do not use a calculator. a. cos 60° + tan 45° – sin 30° b. csc- 4 + sin: 2

A:

Q: The value of tan 55° + cot 1° cot 2° cot 3°... cot 90°, is cot 35 **** (a) - 2 (b) 2 (c) 1 (d

A: From the trigonometric table: cot(90∘)=0 If 0<θ<90∘, then tan(90∘-θ)=cot θ

Q: 6. A shoreline runs north-south, and a boat is due east of 110° the shoreline. The bearings of the…

A:

Q: Sketch the angle and write the sec and tan of the angle if the terminal side of the angle passes…

A: NOTE: Refresh your page if you can't see any equations. . the given point is so here we have

Q: Tan(3B-20°)=Cot(2B+15°)

A: Tan(3B-20°)=Cot(2B+15°)

Q: 25 70 15 B

A: We know  sinθ=PerpendicularHypotenuse=OppositeHypotenuse

Q: Find the exact values of sin alpha, cosine alpha, tan alpha, csc Alpha, sec Alpha, and cot alpha,…

A:

Q: Give the exact value of each expression in simplest radical form. 33.) a. cos 45° 34.) a. sin(-45°)…

A: Since you have posted multiple questions, as per guidelines we are supposed to answer only first…

Q: 2. A 45° sin 45° = - Cos 45° = - tan 45° = -- CSC 45° = - sec 45° =- cot 45° =

A: We have to find value of all trigonometric Ratio at 45°

Q: 29. a = 8, b = 6, c = 9 a. cosines; A 60°, B 41°, C 79° b. cosines; A61°, B 41°, C 79° C. sines; A…

A:

Q: 30. a = 4, b = 5, c = 8 %3D a. sines; A 61°, B 41°, C=78° b. no solution c. cosines; A = 50°, B 41°,…

A: Given  a=4,b=5,c=8

Q: Sin(16.35°)and csc(16.35°)

A: To find sin(16.35)° and csc(16.35)°