3. sin 27° =cos ? cos 73° cos 153° cos 27° cos 63° O O O O

Q: What is the value of sin 30°cos 60° + cos 30°sin 60°? 0 O A. O B. O C. O D. 1 NIT 2 1 2

A:

Q: 20 cos( – 240°) - find the exact value of the expression: 30 cot( – 240°) -

A: Solving the problem by the method of trigonometric formula.

Q: 1) If Cos A= 4/5 Then Find the value of Sin 2A O 24/25 O ((24)/25 7/25 O (-7)/25

A: In the question we have to find the value of sin2A.

Q: 口 1. Which is equal to cos ? 3 COS cos O cos 27 COS 3 O sin O sin

A: Solve the following

Q: 7. Given that tan (A) = - and angle A is in 3rd quadrant and cos(B) = –; -and 13 %3D angle B is in…

A: Since, the student has mentioned to solve part (d) and part (e), so we are solving accordingly part…

Q: Pls help ASAP

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Q: 3. * What value of 0 makes the statement true? cos 0 = sin ( - 10) 15 60 O 75 O 150

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Q: 7. Given that tan (A) = - and angle A is in 3rd quadrant and cos(B) = - and 13 angle B is in 2th…

A:

Q: 24 tan(?) 3D쓸,0s 0 <o< then sin(0) equals COS cos(0) equals sec(0) equals

A:

Q: If sin © = cos 23°, O = ?

A: Given: sinθ=cos23° To find: θ = ?

Q: B O tan-1 cos 13 13 O cos 12

A: In this question we will use basic of geometry i.e use of trigonometric ratios. We will simply apply…

Q: 4. If cos A = 5/7, then sin B = ? %3D O 7/5 O 5/7 O 2/7 89 2/7

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Q: |I+ sin? 0 2. Cos? 0 4 Sin 20 Sin?0 一t Cos 0 · 4 Sin 20 %3D Sin 20 Cos20 I tA sin 20 KIKY

A:

Q: 9. Given that cos 0 =, what is sin 20, if 0 <0 < /? 12 a. 16 25 25 24 25 25 b. d.

A: Given query is to find the value indicated trigonometric function.

Q: If tan 0 9 and P(0) is in QIII, what is the value of cos(20) ? 41 41 40 41

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Q: Establish each identity.

A: Proving an identity requires taking either side of the identity and transform it to the other side.…

Q: Which is equal to sin 36°? sin 54° B) sin 64° Cos 54°

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Q: The expression sin(20) is the same as: O 2sin(e)cos(e) O 2sin(e) O sin(e)cos(e) O cos?(e) – sin?(e)

A: Using Sin(A+B) formula

Q: Which of these is equal to sin 21°? A) Cos 21° B) Cos 69° C) sin 69° D) tan 69°

A:

Q: Which of these is equal to sin(70)? A) cos(110) B) cos(160") (C) cos(20°) D) cos(70")

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Q: cos(?/2−?)=10/11, find tan⁡(?)

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Q: If sin(68°) = cos(0) and 0° < 0 < 90°, then |degrees %3D

A: Find the value of θ.

Q: A. sinO cos (90 – 0) B. sin 25° sin 65° C. cos 16° = 90 – sin 16°

A: a) We know that sinθ=cos90∘-θ So, the option a is correct. b) We know that sinθ=cos90∘-θ…

Q: 2) If Sin A= 3/5 Then Find the value of Cos 2A O 24/25 O ((24)/25 7/25 O (-7)/25

A: Given: sinA=35cos2A=?

Q: Find the exact value of the expression. sin 25° cos 35° + cos 25° sin 35° O 1 O 5 12

A:

Q: Which of the following is not equivalent to cos(0 + 0)? cos 8 cos 0- sin 60 sin 0 1- 2 sin? 0 O…

A:

Q: If sin B = B in QI , find with B Cos 3– 2/2 Cos 3 + 3 COS 6 3- 22 6 cos 3 - 212 cos 3 3 + 3 CoS

A: Given that, sinB=13 Find the value of cosB2. We know the trigonometric formula's:…

Q: 28 Set up the problem. a) sin (47°) = 28 b) cos (47°) = 28 c) tan (47°): 28 28 cos (47°) = d)

A: Topic  =Triangles

Q: If  sin(?) = 3/5 and  tan(?) = − 3/4 find  sec(?).

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Q: If sec(α)=25.2/19.4, then what is the value of cos(α)? (options in image)

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Q: Which of the following is not equivalent to cos(0 + 0)? cos 0 cos 0- sin 0 sin 0 1– 2 sin? 0 Option…

A: Solution:

Q: 1. Which of the following is true in a right triangle? O cos (90 – B) = cos (B) O sin(90 – B) =…

A: In the above question the concept of trigonometric ratio of (900 - θ) are used. The knowledge of…

Q: 97. If sec a = 10/3, then what is cos a? %3D

A:

Q: to 11. If sin 18 0.309, determine the value of cos 72.

A: Answering question number 11 since 10th is already been correctly solved.

Q: 6. Show 1 – 8sin?0 · cos²0 = cos(40) 10 pts

A: To show that LHS=RHS

Q: 2. Which is the equivalent reciprocal of cot 75°? cos 75° O tan 75° cos 75° tan 75°

A: Given that cot75°solution : we know that tanθcotθ=1cotθ=1tanθso,cot75°=1tan75°

Q: If cos a = 0.366 and cos 3 = 0.593 (both angles are acute), Your answers should be accurate to 3…

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Q: If sin a- 4/5, what is cos B? O 5/4 O 3/5 O 4/5 O not enough information

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Q: If sin 8 is given and 8 E QII, find cos 6. 5 sin 8 = 26 cos e 8 =

A: sinθ=-526 By using the identity sin2θ+cos2θ=1, we get…

Q: Suppose sin(@) = -³/5 and sin(ø) = –³/17. with both angles are in the interval n, 3*/2]. What must…

A: sinθ=-35sinϕ=-817

Q: What is the Cos (2a) if Sin a and Cos B are the same from Question 3? 33 16 1 16 7. 16 1 118

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Q: 10. 3 sin 30 cos Od0

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Q: 1-cos(7A) 2. Which is the simplified form of the expression + • cot (4) tan O no correct answer O…

A: Formula: Cos(2A)=1-2Sin2A

Q: Give the exact value of the expression. sin (2 arcos sin ( 2 arcos 12/5 O 24/5 24/25 O 12/25

A:

Q: 29. If sin (a) 3 5 -34 and cos<0, then tan = = 3 (b) (c) (d) 4 3 六

A:

Q: 24 If tan(0) = 10.0 < 0<, then sin(0) equals cos(0) equals

A: giventanθ=2410=PBin a right angle triangle using Pythagoras…

Q: If cos 20 cos 40 + sin 20 sin 40 and 20 is in QIV , then cot 20 is 8 equal to 39 39 - 39 39

A:

Q: Suppose sin(0) = -3/5 and sin(ø) = 8 /17, with both angles are in the interval 7, 3" /2]. What must…

A:

Q: If sec(a) = 25.2/19.4, then what is the value of cos(a)

A:

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.