6. Which of the following statements is incorrect? A. sin 60° =- 3/3 B. tan 60°= 60 C. cot 60° =° V3 D. cos 60° =

Q: Find the other five trigonometric ratios of 0. cos 8 = tan 8 = csc e = sec e = cot 8 =

A: Given: Triangle has acute angle sin θ=513

Q: When = 90°, a form of the Law of Cosines reduces to Heron's Formula. Select one: True O False…

A:

Q: Evaluate sin? 45° + cos? 45° tan? 60°

A: Given sin245°+cos245°tan260°

Q: 2. Use only your knowledge of sin 60° to find the exact value of crd 120°.

A:

Q: A) Find the approximation values of 2. 6.1 1. tan 46°.

A:

Q: Express each of the following angles in degrees i. 1.234…

A:

Q: Calculate. cos 19° cos 68° cos 28° cos 56° cos 38° + 2 sin 28° sin 19° sin 30° 4 sin 28° sin 19°

A: See the attachment.Explanation:

Q: Use the given point of (2, 1) on the terminal side of an angle 8 in standard position and find Tan…

A: Given query is to find tanθ

Q: 1. cos 30 2. sin 60 3. cos 135 4. sin 240 5 sin 90

A:

Q: 12. Complete the following chart: sin cos tan cot sec Csc 21/3 120° Зп/4 135° 51/6 150° 180°

A: We have to find the values.

Q: Evaluate, using the tables if necessary. sec 180° + sin 270° - tan 180° + cot 270. -2 -1

A:

Q: cot 180° cos 270⁰ sec 60°

A:

Q: Verify the identity: (tan 2θ + cot 2θ)/csc 2θ = sec 2θ

A: Given:          tan 2θ+cot 2θcosec 2θ=sec 2θ Solve;         Rearrange the given expression…