Rewrite sin 2 cos as an algebraic expression in v. 4 sin 2 cos 4 믐 =

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

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Q: Find sin), co cos ,and tan from the given information. 15 180° < x < 270° 17' cos(x) = sin cos tan

A: cos (x)= - 1517  with  180o &lt; x &lt; 270o.Then find sin x2, cos x2 and tan x2.

Q: Find the exact value of the expression sin 100° cos 40° − cos 100° sin 40°

A: According to the sine difference formula, . This formula can be used to obtain the value of the…

Q: Use your (correct to 2 decimál places). a) sin 17° b) cos 43° c) 4tan 21° d) sin 38° e) cos 17°

A: We need to find the given values using calculator:

Q: If cos 0= 11 * and tan > 0, what is sin 0 +2 cos(-0)? O 8+V137 11 137-8 11 O 8+V105 11 O 8-V105 11 O…

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Q: If sin © = cos 23°, O = ?

A: Given: sinθ=cos23° To find: θ = ?

Q: Incorrect Your answer is incorrect. Rewrite sin 2cos as an algebraic expression in u. 4 :) - sin 2…

A: We use Trigonometry identities  Sin(2A) = 2 sin(A) cos(A)

Q: Choose the expression that is equivalentto sin 60° cos 20° + cos 60° sin 20°.(a) cos 40° (b) sin 40°…

A: Given expression:  sin 60° cos 20° + cos 60° sin 20°.

Q: 3 3. If sin A = 4 cos A and tan A.

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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: Given sin 0 = 2V5, find cos 0. 6. COS O Simplify your answer if possible. Enter

A: NOTE: Refresh your page if you can't see any equations. . here we have

Q: What is the simplified form of 2 sin A cos A-cos A 1-sin A+sin? Acos? A cosA O cotA O no correct…

A: We have to find the simplified form of the given trigonometric form.,

Q: If and , where x and y lie between 0 and π/2, evaluate the expression.61. cos(x − y)

A: Given :              sin x  = 13  and sec y  =  54      cos (x - y)  =  cos (x) cos (y) + sin (x)…

Q: 3 – 5 (cos (a) + cos²(ß)

A: Given: 3-5cos2α+cos2β

Q: Draw a right triangle to simplify the given expression. Assume x 7 0. cos 12 sin-1 x2 (Hint: Use cos…

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Q: Simplify the expression by first substituting values from the table of exact values and then…

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Q: If sec(θ)=5/3, 0≤θ≤90 then sin(θ) equals? cos(θ) equals? tan(θ) equal

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Q: 65. The equation sin? 0 + cos? 0 = 1+ tan? 0 is an identity because sin? (0) + cos? (0) = 1 and 1+…

A: By  using simple identies of trigonometry.

Q: If sin A = 3/5 with A in QI and cos B = - 5/13 with B in QIII, find sin (A + B), cos (A + B), and…

A: Given: sinA=35, cosB=-513 here, A is in first quadrant and B is in third quadrant  we know that in…

Q: If cos A=7/8  with A in QIV, find sin(A/2)

A: We have to find sin angle

Q: If sin O > 0 and tan O < 0, what is the sign of the value of sec O?

A: To find the sign value of secθ Given sinθ&gt;0 and tanθ&lt;0 Given below is the quadrant system of…

Q: Simplify the expression by first substituting values from the table of exact values and then…

A: Trigonometry Question

Q: The expression sin? 0 is equal to O 1- cos 20 O 1- cos O 1+ cos 20 01+cos(을) 2 2.

A: use formula of cos(2A)

Q: Simplify the expression cot^2⁡xcos^2⁡x/cot^2⁡x−cos^2⁡x  -1 2 1 -2

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Q: cos 등 O sin O sin cos 꽃

A: cosπ3

Q: sinº 0 cos° 0 do

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Q: If cos a + cos B= a and sina + sin B= b, then show that 2 sin 2a + sin 2B = 2ab 1 a2 + b2

A: given: cosα+cosβ=asinα+sinβ=b we have to show that  sin2α+sin2β=2ab1-2a2+b2 R.H.S: 2ab1-2a2+b2…

Q: Compute the exact value of sin () given cos(A) = 1/5 and 270° < A < 360°. You do not need to…

A: sin A = -1-cos2A if 2700&lt;A&lt;3600

Q: .If Sin 0 = 3/ 5 , find without using tables the values of : i) Cos 0 i) tan 0 (ans.: ) 45 ; üi) 34)

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Q: The expression tan 0 sec 0 when written in terms of sin 0 is sin? 0 sin e b. cos? 0 sin e cos e 1-…

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Q: 1. Which is the equivalent of tan 0? O sin 0 Cos cos 0 sin 0 sec0 csc 8 CSc 8 Sec 0

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Q: 3. Which is the equivalent reciprocal of cot 75°? O cos 75° tan 75° 1 cos 75° tan 75°

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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 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: 1. Verify the identity sin? x- sin* x cos?(-x)- cos*(-x) by rewriting the left side of the equation.…

A: sin2x-sin4x=cos2(-x)-cos4(-x)

Q: Find the exact value of the expression. cos(160°) cos(25°) + sin(160°) sin(25°)

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Q: If Sin 0 = 3/ 5 , find without using tables the values of : i) Cos 0 ü) tan 0 (ans: :i) 4'5; i) 34)

A: Given: sinθ=35 We know that, cosθ=1-sin2θ and tanθ=sinθcosθ

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

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Q: If Sin 04 and Cos a =B, evalute witheut using the It Sin Oo4 and Cos a = B , evalute without 13 the…

A: Explanation of the answer is as follows

Q: If csc² A 5 what is the value of 2' 1- cos? A?

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Q: If sin e- and 0 ses-, find the exact value of tan 20. 24 24 7. 314

A: Given that the angle is in the first quadrant. Hence, all the trigonometric functions will be…

Q: If sin(2x) = cos(x+30°), what is the value of x? 20° 30° 50° 110°

A: Given that: sin(2x)=cos(x+30°)...(1)

Q: Simplify. 1 - 2sin? O cos X O sin x O cos 2x sin 2x

A: Consider the provided expression, 1-2sin2x2 Simplify the provided expression. Here use the identity…

Q: What is the simplified form of the expression 2 sin(10°) cos(10°)? O sin 10° no correct answer cos…

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Q: What is the simplified form of 2 sin A cos A-cos A 4? 1-sin A+sin² Acos2 A cotA O sinA O cosA O tanA…

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