2csc 0--cos Ocsc 0 + cos 0+2csc 0 a 5x Sa 7a A) 4 3 4 3n B) 0, 4 7x 4 T 37 C) 2 2 3 5x D) 2 3

Q: 5m Find the exact value of COS 12 o V6-/2 O V6-V2 O -V6+/2 O -/6+/2 4.

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Q: 2 v sec 2 1+ cos 0°

A: We have to find the identity

Q: (a-B) show that cosa – cosß = -2sin+P) sin 2 2.

A: We have to show that the following results.  For this we can use some trigonometric results

Q: 1+cosx Evaluate V2-2 cosx

A: 3rd option correct

Q: 1.) xyax ^)/√²-1²) dx + (x² - 2xy) dy = 0

A: Given : x2-y2dx+x2-2xydy=0 To Check : Differential equation is exact or not

Q: 2sin G0° - 3cos45°

A: SOLUTION-

Q: 19 · sin 0 = 5 -4 7t 7n 11n B) {", Ila, 6. 6.

A: Given that, -4 - 25 · sin θ = -19    5   - 25 · sin θ=-19    5 +4-25 · sinθ=-19+205sin θ=15·-52sin…

Q: Se sin9vdv Select one: O a. O b. O c. O d. O e. -7 sin9v +9cos9v 130 7sin9v9cos9v 130 7sin9v +9cos9v…

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Q: Find :L[cos h 5t sin 2t ] 25 2 [(s² – 25)( s² + 4). (s - 5)? +4 O A.) О в) 1 1 1 (s - 5)? +4 (s +…

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Q: If z = +i then Im(coshz) A) –sin1sinh4 B) cos1cosh4 e* +e* C) cos1 2 D) sin1cosh4 E) sin1

A: Topic:- hyperbolic function and complex number

Q: in Let z = 0.5 +",., Find e 6z 3 C) e3 F) e-0.5 (cos 2 + isin2) A) -e 20 B) e-5* (cos 20 + isin20)…

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Q: 4. Use an appropriate half angle identity to find the exact value of cos15°.

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Q: 2. Prove that csc² cos² 0-c8c20-1

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Q: de -1 < B< 1 (1+B cos 0)² '

A:

Q: 2) cos² I 6 F/6 sin2 T

A:

Q: snip

A: sin4θ=sin2θ2=1-cos2θ22=141+cos22θ-2cos2θ=141+1+cos4θ2-2cos2θ=14+1+cos4θ8-12cos2θ=14+18+18cos4θ-12cos…

Q: (ez²-1-7²) Sin³z

A:

Q: In the process of calculating that: cos³ (112) de a substitution is made in the variable u, then it…

A: Given query is to find the integral after substitution.

Q: 2730n ? 365 Which number is equal to coS 1 e-i2n335n/365 1 1 ei2n335n/365 2 (a) pi2n30n/365 (b)…

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Q: Q.3) 3+4x+20 dx = a) Q.4) f sin5x sin4x dx = tan-(+) 4 a) = (cosx - cos9x 9 cos9x c) (cosx +°%$*) +…

A: ∫1x2+4x+20dx∫sin5xsin4xdx

Q: 3) Show that 1 + cot Pe=csc²e. CSC

A:

Q: Evaluate e cosh 2t -3t s13 d) 4(s? - 6s-5) 3. s43 a) 4(s-6s + 5) b) 4(s? + 6s - 5) c) 4(s + 6s +5)

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Q: 18( cos54 + isin54°) 3(cos102" + isin102" )

A:

Q: Evaluate L{e" cos 41} s+ 4 d) s2 + 8s - 32 4 4 s-4 a) s2 + 8s - 32 b) s2 - 8s + 32 c) s2 - 8s + 32 a…

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Q: 2Tn Which signal is the same as In = 2 cos 10 1 i2nn/10 2 1 1 1 (a) pi2n/10 -12 πn/10 (b) 12πn/10 e…

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Q: Choose the integral that would find the area inside r =3 sin 0 and outside r = 2-sin 0. -1

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Q: Evaluate L{3 cos? 2t} 3 3s 3s а) b) 2s + - 2s 2(s2 + 16) 2(s² + 16) 1 c) 3 d) S 3s 2s ' 2(s2 + 16)…

A:

Q: -5 cos 2B cos 6B -5 cos 4B + 5 sin 8B -5 cos 8B – 5 sin 4B 2 2 -5 cos 4B – 5 sin 8B -5 cos 4B – 5…

A: Solve : -5cos2Bcos6B Use formula = [cos(a-b)+cos(a+b)]/2

Q: column 1 with CtS each AB match in equrcuent 1 6. 9 - ) 9-6 not egualent to c comy

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: L e14u cos(16u)du

A:

Q: 22. Ans. see a B The expression tan (A) 4 (B) 6 (C) S (D) 10 (C, D) sec* B tan² a (wherever defined)…

A: It is given that: sec2 π9+sec2 2π9+sec2 4π9=S ∑k=189cos6k0=ab where a and bhave no common factor…