Use Identities to find the exact value cos (-165°) O√6 + √2 √2-√√6 0-√√6-√2 O√6-√2

Q: ove the identity. Show all steps: 1-coscos x + 1 1+coscos x = 2

A: We have to prove that the given inequality.

Q: Write the expression as an algebraic expression in u u0 tan cos tan cos (Simplify your answer,…

A: Using trigonometric inverse formula

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Q: Establish the identity. (csc a- sec B) +(sec ß+ csc a)( sec B- csc a) = -2 sec B(csc a- sec B)…

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Q: Let a and b be positive numbers. Evaluate sin (tan O 60 b a² +6² a (tan-¹ (7)). √a² +6² √a² +6² a²…

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Q: Given z1 = -3(cos(85degree) + isin(85degree)) z2 = -8(cos(65degree) + isin(65degree)) find the…

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Q: TV2 a cose r √ a² + r² dr do

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Q: sinx - cosx + 1 sinx + 1 %3D Hint: the conjugate of the denominator sinx + cosx - 1 is sinx + cosx +…

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Q: Give the exact answer. To enter the square root of a number, type "sqrt(a)". For example, type…

A: Use summation formula of sine

Q: 3 Simplify cos(arctan2). √5/5 no solution 2√5/5

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Q: Evaluate: 2sin(3i)cos(3i)

A: Given  2sin(3i)cos(3i) To solve we use following properties: 2sin(θ)cos(θ) = sin(2θ) sin(iθ) =…

Q: Fill in the blank/s : sin(C + D) = ___________

A: According to the question, we have to fill the blanks sin C+D. As the above question is from the…

Q: Use an identity to find the exact value of the expression. sin(135° -30°) O √6 + √2 4 O√6 + √2…

A: The given expression sin135°-30°. We have to find the value of this expression.

Q: √2+√3 1. Show that 2 sum or difference identities and (b) half-angle identities √2+√6 4 π by solving…

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Q: Use the Pythagorean identities to write the expression as an integer.

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Q: Use the formula d = √² +²2-2r₁ r₂ cos (0₂-0₁) to find the distance 3π between 4, 4 and 8, T

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Q: Simplify the expression: Give the answer in exact form. √3 tan (on-4 ( 12² ) - Non-4 (-3)) COS sin

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Q: Use the Pythagorean identities to write the expression as an integer.

A: We know, sin2x+cos2x=1 We will use above Pythagorean  identity to simplify the given expressions.…

Q: 12 - 1 Find the exact value of cos 2 cos 2 ..... - 1 cos |2 cos (Simplify your answer, including any…

A: Given  Cos(2Cos-1(-root 2/2)) We have to find the exact value of given function