2. Evaluate using trig identities. a. sin (44°) + cos² (44°) 2 b. cot13° cos13 sin13 12 c. tane=2, what is cote? 24 2 2 d. csc² 58° - cot² 58°

Q: Rewrite sin 65° in terms of its cofunction. sin 65° = (Type an exact answer. Simplify your answer.…

A: We have to find the cofunction of Sin 65° .

Q: Evaluate 1 1 I sin cos de. 0 0

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Q: and are coterminal. True/Fals 4

A: Determine whether the statements are true or false. a. 25π4,π4 b. tan-1x=1tanx c. cos-1cos5π3=5π3 d.…

Q: 38. COS X = 180° << 270°

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&lt;θ&lt;90∘, then tan(90∘-θ)=cot θ

Q: Use the appropriate compound angle formula to determine the exact value of each expression. cos (T-)…

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Q: determine which of the two values is greater.a. tan 1 or tan 2 b sin 1 or tan 1 c. cos 2 or sin 2

A: a) tan(1) or tan(2) :       We find exact values of tan(1) and  tan(2) on calculator,…

Q: 7. Evaluate each expression. (a) sin? 120° + cos² 120°

A: Since there are multiple questions present and you have not specified which question to answer,…

Q: Which of the following are true? A. sin? + cos2 := 2 B. sin? 20 + cos? 20 = 2 C. sec2 - tan? = 1 D.…

A:

Q: 1. cos (2x) 2sin(x) cos(x) tan(x) = cot (x) tan (2x)

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Q: A. Simplify each trigonometric expression. 1. tan A sin A + cos A 2. sin?B sec² B – sec?B -

A: To solve the problem we must know about the trigonometric identities. With the help of trigonometric…

Q: A 26-foot extension ladder leaning against a building makes a 78° angle with the ground. How far up…

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: Which is the exact value of tan 15° using half-angle identity? A. V2 - 3 B. 2- V3 C. V2- V3 D. V2 -…

A: We can write 15° as 45°-30°. So tan15°=tan45°-30°. Us the identity tanA-B=tanA-tanB1+tanAtanB to…

Q: Answer the following. 12n (a) Find an angle between 0 and 2n that is coterminalrwith 7 (b) Find an…

A:

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: 3. Evaluate without calculator a. cos 120 degree. b. sec (pi/3) c. cot ( 19 pi / 6)

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Q: 25 70 15 B

A: We know  sinθ=PerpendicularHypotenuse=OppositeHypotenuse

Q: 1. Write as an algebraic expression in x and y: COS (tan-¹x + sin-¹ y)

A: Since you have asked multiple questions in a single request we would be answering only the first…

Q: Evaluate the sin2θ, cos2θ, and tan2θ, where cosθ = 5/13, with θ in Quadrant IV.

A: