Use a sum or difference formula to find the exact value of the expression sin 80° cos 50° - cos 80° sin 50°.

Q: Find the exact value of each expression. cos 70° cos 20° - sin 70° sin 20°.

A: Given expression is, cos 70° cos 20° - sin 70° sin 20°.

Q: 10. Sec -405 degrees 12. Cot -90 degrees 14. cos 360 degrees  16. sin -225 degrees

A: 10)

Q: Verify the identity by transforming the lefthand side into the right-hand side.

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Q: Use a sum or difference formula to find the exact value of the following. sin 148° cos 103° - cos…

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Q: If sec θ = -13/6 and sin θ > 0, what is 3sinθ - cos(θ)?

A: Solving the problem by finding where the theta lies.

Q: If sec 0 = -13/6 and sin 0 > 0, what is 3sine + cos(0)?

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Q: Divide 4 (cos 60° + i sin 60°) by 2 (cos 30° + i sin 30°) in rectangular form.

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Q: Use an addition or subtraction formula to write cos 8°cos 44° + sin 8°sin 44° as a trigonometric…

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Q: Simplify without a calculator: sin(5 )cos(40°) + cos(5 )sin(40°) COS

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Q: Express 2 sin 13° cos 48° v. as a sum

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Q: Use a sum or difference formula to find sin 12

A: The given value,       sin5π12

Q: Find the exact value of each expression. sin 75° sin 15° %3D cos 37.5° sin 7.5° %3D

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Q: Find the exact value of each expression. 1) cos-0 V3 3) cos- 5) sin- -1 7) cos-1 1 9) sin- 1 11) cos

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Q: Use an Addition or Subtraction Formula to simplify the equation. sin(3θ) cos(θ) − cos(3θ) sin(θ) = 0…

A: Given expression;

Q: Simplify to a single trig ratio: 1 cos (1) COS tan(180 – 1) · cos(360 – 1) sin(180 + 1) -

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Q: Use the Difference Formula for Cosines to Find the Exact Value of cos 80° cos 20° + sin 80° sin 20°.

A: We have to find the value of cos80°cos20°+sin80°sin20° using the difference formula for Cosines. We…

Q: Solve the expressions and arrange them in decreasing order of their values. sin(195°) – sin(105°)…

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Q: Evaluate the expression without using a calculator. sin−1(cos(2pi))   answer in radians, please

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Q: Find the exact value of sin 75° by using a sum or difference formula. ?

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Q: Give the exact value. 5л sin 3

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Q: If sec θ = -13/6 and sin θ > 0 , what is 3 sin θ = cos(-θ) ?

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Q: Find the exact value by using a sum or difference identity. 8) sin 285°

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Q: -1 coS (sin(#). 6

A: Given that: cos-1sin7π6

Q: Find the exact value of the expression. 1. cos 10° cos 50° - sin 10° sin 50° 2. sin 15° cos 45° +…

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Q: If sin(θ)= √65/9 and θ is in the 2nd quadrant, find the exact value of cos(θ)

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Q: Find the exact value of the expression cos 5π/12 cos π/12 + sin 5π/12 sin π/12. Do not use a…

A: Let the given equation be y - y = cos5π12cosπ12+sin5π12sinπ12Let ,A = 5π12 and B = π12Then,y =…

Q: What is the exact value of: sin 75 degrees + sin 15 degrees?

A: 32 is the correct answer

Q: Use a sum or difference formula to find the exact value of the expression sin 195°.

A: Calculation: The given expression is sin195°. Use the sum formula to find the value of the given…

Q: Find exact values for cach expression using sum and difference, double and half angle, or sum to…

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Q: Use a product-to-sum formula to convert the expression to a sum or difference. Simplify where…

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Q: Use a sum or difference identity to find the exact value. sin 125° cos 65° - cos 125° sin 65°

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Q: Find the value of sin(sin-1((3)/(5))+tan-1((7)/(24))) without using a calculator (use angle sum or…

A: Please refer to the image below

Q: Find the exact value of sin 12 by using a sum or difference formula.

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Q: Use sum and difference formulas to find the exact value of the expression. cos 75°

A: to find cos 75°

Q: Find the exact value of each expression. 2) tan (-V3) 1) cos" 2 4) sec tan 3) sin cos 2

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Use a sum or difference formula to find the exact value of the following. sin 5 sin 15 Cos cos - 5…

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Q: Use a sum or difference formula to find the exact value of the following. 19t sin 30 197 cos -+ cos…

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Q: Evaluate the expression without using a calculator: (sin(π/3)cos(π/4)-sin(π/4)cos(π/3))2

A: Given- sinπ3·cosπ4-sinπ4·cosπ32 To find- The value of the above expression.

Q: Use the sum-to-product formulas to find the exact value of the expression. 5-2 sin 3 2 sin in

A: We can find the answer as below using the sum to product formula.

Q: Find the exact value by using a sum or difference identity. 15) sin (95") cos (35') - cos (95") sin…

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Q: Evaluate the expression sin - Cos 3 Give answer as an exact value

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Q: What is the value of (sin 150°)? + (cos 150°)??

A: Given- sin150°2+cos150°2 To find- The value of the above trigonometric expression. Identity Used-…

Q: Use the sum-to-product formula to simplify the expression: If sin 50° + sin 10° = sin A°,0 < A < 90,…

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Q: Use a sum-to-product formula to rewrite sin 8b+ sin3b as a product. sin 8b + sin 3b = [] OsinO Ocos…

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Q: by using a sum or difference formula. 12 Find the exact value of sin

A: find the exact value of sin-7π12

Q: Choose the expression that is the largest value. 1. cos 30 degrees 2. sin 45 degrees 3. tan 45…

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Q: Find the exact value, without a calculator. 30° sin 2 30° CoS sin 15° tan 15° = %3D cos 15° ? ]- VI…

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Q: Use a sum or difference formula to find the exact value of the expression cos 65° cos 5° + sin 65°…

A: By using trigonometric formula, cosA-B = cos A cos B + sin A sin B To find exact value of  cos 65°…

Q: show work.

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