Which of the following is equivalent to expression cosh²u- sinhu? A none of the given choices B 1 cosh2u D 2e-u E) 2eu

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A: Do notice that csc x=1sin x

Q: sin(t²)

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A: Given to simplify 2cos2105°-1 The formulas used here are cos2x=2cos2x-1cos180°+x=-cosx

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Q: 97. For what numbers e is f(0) tan ở not defined? finnd? 98. For what numher

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Q: Which equivalence is true? sin x= 6. 1 1 logs O 2? < 4° r<2 O a + 2 = 3 # r= 1 112

A: In option (a) it is given that, sinx=12 So if we want to solve the above equation for the variable x…

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Q: Which of the following is equivalent to expression cosh?u- sinh?u? A 2e-u В 1 2eu cosh2u E none of…

A: We have to find

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A: It is known that y=cosx is a decreasing function on 0, 90°.

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A: Pythagorean triple is a triple of positive integers a,b and c such that a right  triangle exists…

Q: 1)thee sind by using the residues is equal to 121-1 a) 2/7 b) 0 c) 127 d) z

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Q: 11) Write the fractions that represent sin(M), cos(M) and tan(M) M. 25 7. 24 K

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Q: Let n be a number that will satisfy the identity 1+ 2cot20 + cot 0 = csc" 0. %3D what is the value…

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Q: Use the given triangles to evaluate the expression. Rationalize all denominators. 30° 45° 1 45° 60°…

A: i) Secπ4     π radians-180°     π4-?=θ=180πxπ4 ∴ Secπ4=sec 45°In ∆ABC ,         sec…

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A: Given The length of the sides of the quadrilateral ABCD are AB=5, BC=9, CD=7 and DA=3 and the given…

Q: A D 2. In the figure below, 4 PQS = L TQR, L PTQ = L RSQ, and TQ = SQ Which congruence relationship…

A: Question is solved.

Q: Which of the following is equivalent to expression cosh²u- sinh?u? A none of the given choices B…

A: Given that, the expression is following, cosh2x - sinh2x We have to simplify this expression and…

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Q: Which of the following numbers is the smallest?     (a) sin (π4)sin π4   (b) sin (π)sin π   (c)…

A: Hence option (b) is correct.

Q: Which is cos 2o if sin o= - and 180° < o< 270°? 13 13 5 C 5 13 5 13 B 13 D 5

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Q: A ABC is congruent to A XYZ. Choose all of the correct statements below. C. A -5 4 -3 -2 В -1 -1 Y…

A: Given that ∆ABC is congruent to ∆XYZOr, ∆ABC≅∆XYZThis means A↔X, B↔Y, C↔Z

Q: Refer to the figure below to answer each item. j%319 k%326 K- |=38 sece Choose... Choose... csco 1/2…

A: In the given diagram  we have k=26,  I=38  ,j=19 using the cosine rule

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Q: Which expressions can be used to find mzABC? Select two options. C 6.3 in. 7.5 in. 9.8 COS 6.3 A.…

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Q: A 9. sec? 2 sec A sec A + 1 ||

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Q: 8. In the accompanying diagram, mLC = 90, mLA = 42, and CA = 10. Which equation can be used to find…

A: Given: m∠C=90∘, m∠A=42∘, CA=10 We know that in a right angle triangle cosθ=basehypotenuse…

Q: 4.Write the following expression as the sine, cosine, or tangent of an angle. cos175° cos55° + sin…

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A: Let the number abc = 100% then we have ac=12%

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Q: Which of the following is/are the value/s of 9 if cot 0 = 0 and 0<0< 2n? (i) O neither (i) nor (ii)…

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Q: 30. In right triangle ABC with C = 90°, AB = 10 and BC = 8. What is cos A? 4 3 4 3 а. b.- 5 d. - 4…

A: Option B is the correct answer. Pythagorean theorem must be applied to find out unknown side length…

Q: Which of the following is equivalent to expression cosh?u- sinh²u? A) none of the given choices B 1…

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Q: Prove the given cos 78° cos 42° cos 36° 8. II

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Q: Evaluate 23e2sing (cos 6) d do a. 8.59 b. 8.95 borlis $20 2675 c. 9.58 d. 9.85

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Q: Which of the following expressions correctly determines the value of cos ZC? 8. A 10 8 + (BA) – 10…

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Q: Use the given triangles to evaluate the expression. Rationalize all denominato 30 45° 2 1 45° 60°…

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Q: Considering only the values of 0 for which cos Otan (20) is defined, which of the following…

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Q: Which of the following expressions correctly determines the value of cos ZA? В 8. A 10 C 82 + 102 +…

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Q: Which expression gives the value of QR? R 67 80° 520 51 O A. 67 sin 80° sin 52° B. 67 sin 52 sin 80°…

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Q: Which of the following is equivalent to expression cosh?u - sinh?u? 1 2e" © none of the given…

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Q: GIVEN: ADEP Use the diagram are correct. **Choose ALL that are corred 22 y Draw or add images here 3…

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Q: Which expression is equivalent to cos ßsec Bcot ß for all values of ß for which cos Bsec Bcot ß is…

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Q: Consider the statements and select the correct option below. (a) For any real number a, (sin(a) +…

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