4. [7(cos1350+isin135°)][2(cos75 °+isin75°)]

Q: If sin 32º = 28/53, which other trig function has the same value? cos 58º    sin 58º    cos 32º…

A:

Q: show that cos 6x = cos 2x (4cos2 2x-3)

A: Given,           To prove: cos 6x = cos 2x (4cos2 2x-3)

Q: 15. Evaluate 2 (3x + cos 4x) dx

A: The given integral is: I=∫0π2 3x+cos(4x) dx

Q: 35 in n cos'n n Cos n du

A: Evaluate the ∫3sinx  cos3x dx

Q: sinx S- cos?x+ 6cosx+13 O In cosx+3-Vcos²x+6cosx+13|+C O In cosx+3+/cos²x+6cosx+ 13 O…

A: To find:

Q: "(등 -2) + ain (품 + 22) The simplified form of cos 22x) + sin O V3 cos 22x + sin 22x O v2 cos 22x + 2…

A:

Q: Find the exact value of cos(2θ)cos(2θ) given cscθ=8/55cscθ=8/5 and 0<θ<π20<θ<π2

A: To find the exact value of cos(2theta) ang given csc(theta)=8/5 where theta is (0,(π/2))

Q: Find θ with 0 ≤ θ < 2π and cosθ=−3–√2

A:

Q: 6) What is the period of the function f(x) = 7sin(2x) – cos(5)? Is the function g(x) = 7xsin(2x) –…

A:

Q: (4) = - V2 -1 cos 4

A: Given,            cos-122=-π4

Q: Prove cos 4x = 8 cos4x − 8 cos2x + 1.

A:

Q: 4) state laylors your estima te 5) Using in Taylor's Theorem, show that the error in 3) for cos…

A:

Q: Find the exact value of the following 1.) sin30° + csc60° 2.) 5sec 30 an60° 3.) 3sin45° + 4cos45°…

A: Given :   Trigonometry value

Q: 11 a2 uis- こん 3. t cos X = 5 + CoS 20

A:

Q: 11) (3ysos(3a By cos(3

A:

Q: cos(3rk) In k 5k k 1

A:

Q: 4加 T (In cos x) Beca Cos X

A:

Q: -24-4s e S COS os(28) – 7 sen(28) cos s+6 s2 + 49

A:

Q: Sın 7. os 3x-Cos 72- Sen 3x tan 22 Cos4a+1

A: We use Trigonometry identities  Sin(A+B) = sin(A)cos(B)-cos(A)sin(B) cos(2A) = 2cos2(A)-1 sin(2A)=…

Q: Suppose that cos 8 = 5/13 and 3T/2 < 0 < 2n. (a) Compute sin 0. (b) Compute cos 20 Hint: cos 20 =…

A: ANSWER :

Q: 15 Find sin 2x, cos 2x, and tan 2x if sinx and x terminates in guadrant III. 17

A: Given that: sinx=−1517 To find: sin2x, cos2x, tan2x

Q: 3x)=てメ+cosス そし-て)- -4-cosいて) そしね)、ずした) ):-Smいて)=20348 Kntl = Kn - ぐし) 0.9651+2.0 348 32 Satisfied…

A:

Q: if cos alpha + 2 cos beta + 3 cos gamma = 0 ; sin alpha + 2 Sin beta + 3 sin gamma = 0 then  cos 3…

A:

Q: 2. If 90° < 0 < 180° and cos 0 =-, find sin. %3D 11/3 11/3 3 ) - 3V11 11 O 3/11 11

A: We know that the trigonometric identities :  cos x = 1 - 2 sin2 (x/2)

Q: C 3y° cos xydydx = O 3(1-Cos3) 5(1-cos3) cos3-1 O 5(1-Cos3)

A:

Q: 27. Evaluate: cos 2) - sin 6 4 /3 /2 2 2 1 V2 V3 2 2 1 V2 2 None of the above. + |

A: Hence option (c) is correct.

Q: if Sn0=4. and cos a=5 evalute witrout 13 using Aables Cos (eta)

A:

Q: 3. tane de ) 71+ n cose)/3

A:

Q: 4 Find sin 2x, cos 2x, and tan 2x if cosx= and x terminates in guadrant III.

A:

Q: 4. Write 16 cos* xin terms of first powers of cosine. • Previous Next

A:

Q: 4 Giren tan A =– where 0<AS Find 2sin 2A.

A:

Q: For cos2(xy) = - evalu COS 4

A: Given

Q: 2 Evaluate: [5 cos(5)x – 5 csc² (x) ] dx COS

A:

Q: 4 cos* 3xdx

A:

Q: -) {in(6n) 2 n=2 =) an = In(6n³ – 4) – ) {cos(nt)}0 n=0

A: e) an=ln6n3-4-ln3n3+5n2-7n+8 determine if the series is convergent or divergent? if convergent find…

Q: Q3-Prove that (cos30=cos³ 0-3cos 0 sin? 0)

A: Using compound angle formula &amp; trigonometric identities.

Q: How do you evaluate ∫ sinmx cosnx dx if m is odd? What if nis odd? What if m and n are both even?

A: If n is odd use substitution with u=sin x, du=cos xdx and convert the remaining factors of…

Q: cos 2(theta) if sin theta = 5/8

A: Here we have to find cosθ2 and cos2θ=? If sinθ=58 where 0≤θ≤π2

Q: The simplified form of cos ( - 12a) + sin (* + - 12=) 6 O v2 cos 12r + 2 sin 12x O V3 cos 12a + v2…

A:

Q: The simplified form of cos G- 13x) + sin + 13x V2 cos 13z + 2 sin 13æ O v3 cos 13z + sin 13x O cos…

A:

Q: find y prime and y double primey=cos(x^2)

A: To apply chain rule and product rule to find the first and second derivatives of a composite…

Q: -11m. ii. cos-1(cos()) CO 6.

A: Given problem:- cos-1(cos(11π6))=?

Q: 40. Show that cos(30) = 4 cos e - 3 cos e for all 0. [Hint: cos(30) = cos(20 + 0).]

A:

Q: cos( 2 tan1 (x/ 4)) = Select one: O 2x ( 16 - x2 )0.5 / ( 2x2 - 16 ) O 2x ( 16 - x2 )0.5/ ( 16 - 2x2…

A: Solution:-.

Q: If cos 30° + cos 60° + cos 90° + cos 120° + ... + cos 510° + cos 540° evaluate its sum.

A: Here we have to find the sum of the given cosine angle:…

Q: Find the exact values of sın 20 and cos 20 for cos e on the interval 0° S 8590° sin 20= 0.7744, cos…

A: Use the identity sin2θ+cos2θ=1 to evaluate the value of sin θ. sinθ=1-cos2θ=1-372=1-949=4049=2107

Q: is it right to say cos (60o-30o) = cos60o .cos 30o+ sin60o.sin30o?

A: cos(A-B)=cosA.cosB+sinA.sinB

Q: 2n (1-cos0 5. Evaluate p³cos²0 dpd0

A: