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: 2. Find sin 0 and tan 0 if cos O = 3 and Ois in quadrant III. Use exact answers.

A: Given that  costheta =-3/8 To find the sin and tan

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: 1. Find Tan A 2. Find Tan B 3. Find Sin A 4. Find Cos A 6 10 B B:

A:

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

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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: а. Find sin 0 if tan 0 = 3 and cos 0 < 0. b. The supplement of an angle is four times its…

A:

Q: 28° 23.8 21 X 7.5° 56°

A: Given that, As we know, the sum of the three angles of a triangle is 180 degrees. As we know, in a…

Q: -135° sin e = cos 8 = tan =

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Q: If cose = 4 , and sin0 < 0, what is the value of tan20. Select one: a. 25/24 O b. -24/25 C. -24/7 O…

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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: 2. Evaluate the following expressions, using a calculator if necessary: a. tan 46° b. sin 49°12' c.…

A: To calculate the following values

Q: **#1.) In right triangle MNO, MN = 10, MO = 15, and m2N = 90°. If sin0 = find the value of cos0.

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

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Q: 3. Evaluate the following: sin' 63° + sin? 27° (i) ços' 17° + cos 73°

A: Introduction :

Q: c. If cos 0 + 4 =2, find 0.

A:

Q: Which expression equals 1? O tan² 14° + sec² 14° O cot² 14° + sec² 14° O sin2 14° + cos² 14° O cot²…

A: We have to slove above questions

Q: 25. In which quadrant of an angle e in standard position is tan 0 >0,sin 0<0? a. QI b. QI c. QIl d.…

A: Solution: The objective is to evaluate the given equation