Simplify cos(3Z45º) sin(5Z60°)

Q: Write 2 cos(3t) + sin(3t) as Rcos(wt - ). |

A: Here we will write in the form of Rcos(ωt-∅),

Q: Solve 5 cos x + 7 = 2 sec x for x E [0, л). Enter your answer in radians correct to 2 decimal…

A: We can transfer the equation into quadratic equation in cosine

Q: Write sin(2x) cos(8x) as a sum of trigonometric functions.

A:

Q: Evaluate 7 cos6 x sin7 x dx

A:

Q: Find cose if sine: -0.5, T ≤ 0 ≤ 3rt 2

A: As per our guidelines we only solve one question and rest of the question will be reposted.

Q: Simplify: (sinx/cosx)2 - 1/cos2x I need full work.

A: The given expression is,

Q: Multiply. (cos(θ) + sin(θ))2

A:

Q: Evaluating √9-x² dx using trigonometric substitution will lead to: -3 C=/2 A 18 cos²0d0 (B) 1852/200…

A: See the details solution in below

Q: Simplify. (a) (b) cos sin 8

A: we have to simplify: (a) 1a1b=1a×b=bathis is the required answer.

Q: sin(30) cos(30æ) dx =,

A: on integrating this we get the value of this 0 so option A is true

Q: dx a sinx cosx

A: Simple integration problem.....

Q: = cos(4t + 12)

A:

Q: Simplify: cos(x+ ) + sin(x – ) 5.

A: The following formulae are used in solving the given expression.

Q: What is Arg(cos ()- i sin-)) 21/3 TC 7T 37/4

A: Thanks for the question :)And your upvote will be really appreciable ;)

Q: O do 5 sin cos de Sin ³0 + 3sing-4

A: Given that ∫5 sin θ cos θsin2θ + 3 sin θ-4dθ We can solve this by using substitution method. Needed…

Q: | Find sin 0. B, 2. 7

A: It is given that, a △ABC. We have to find the value sinθ.

Q: -sin? 3 cos 3

A: Given trigonometric expression is cos2π3-sin2π3.

Q: Find sin2x, cos2x, and tan2x if sinx=3/10 and x terminates in quadrant I.

A:

Q: Simplify   sin 2 600 + cos 2 30 0

A: Given: sin260°+cos230° To determine: The value of the given expression.

Q: The following are solutions of sin2x+sinx=0 EXC.

A: Given,        sin2x+sinx = 0

Q: What are the zeroes of the equation r = sin ( θ ) + 8 ?

A: given    r = sin(θ ) + 8

Q: Find exact value: sin(2tan-1(12/15))

A:

Q: Evaluate: " sin7 cos4 dx

A:

Q: simplify sin^2 (t)+cos^2(t)/cos^2(t) to an expression involving a single trig function with no…

A: We have to find the trigonometry  function

Q: Solve the equation sin(2t) = -0.76 for t, where T <t< 2n. Enter your two values of t in radians and…

A: handwriting solution

Q: Write 2 cos(3t) + sin(3t) as Rcos(ωt−φ).

A:

Q: Find all solutions in radians using exact values only.    sin 3x = 1/2

A: We have to find the solution of the trigonometric equation: sin 3x=12 We know the exact value, sin…

Q: Simplify: cos(2x)−1/sin2x

A: We have to simplify

Q: Find the exact value of the given expression. sec( 2 sin ((주).u

A:

Q: Find all solutions in radians using exact values only. 2. COS ²(2x} = 1 +.

A: Square root both sides , then solve both sides by 2x.

Q: Write the expression in terms of sine only. 3 sin 7xx + 3V3 cos 7Rx

A: given =3sin7πx+33cos7πxr=32+(33)2=6rewrite expression as=6(36sin7πx+336cos7πx)=6(12sin7πx+32cos7πx)

Q: Solve 2 cos x +9 = 2 sec x for x E [0, 7). Enter your answer in radians correct to 2 decimal place=

A:

Q: Simplify: TO 1. cos- +i sin- 2.-

A: As per guidelines we have to solve one question

Q: Evaluate: sin 6x sin 3a da A. 0 в. - В. 2 C. - :- С. 2 D.

A: SOLUTION-

Q: Se sin 4m Cos 4mdm (3)

A:

Q: Find all solutions in radians using exact values only.     cos3  5x =- 1

A: Given:  Cos3 5x=-1To find all the solutions in terms of radians (exact values…

Q: in

A:

Q: Solve the equation sin(2t) =-0.99 for t, where <t<2n. Enter your two values of t in radians, correct…

A: We have sin2t=-0.99  , π≤t≤2π Now, we have a property that sinx=sinπ-x Therefore,  sin2t=sinπ-2t…

Q: COS Đ do VIt sin20

A: We use substitution method

Q: Find sin (0.07) in degrees. Answer:

A:

Q: sin(2 – 3i) cos(3 – 2i)

A:

Q: cos Sin?

A: Q5.  Y=cos2x/2 - sin2x/2

Q: simplify sin(2x)/cos(x)

A:

Q: Sin(28) = cos(a) %3D mLa?

A:

Q: Find cose given that sine = 8 and tane < 0. 17

A: