Write this difference as a product: sin (81°) – sin (-64°)

Q: Write the sum as a product: sin(14.7r)−sin(2.9r)=

A: Write the sum as a product:sin(14.7r)−sin(2.9r)=

Q: Write the product as a sum or difference of trigonometric functions. 2cos8xcos2x

A: The given trigonometric function is 2cos8xcos2x.

Q: Write each expression in terms of sines and/or cosines and then simplify.

A:

Q: Convert 215° 56' 45.19 " in radians.

A: Given angle, 250° 56' 45.19"1°=π180 radians1'=160°=π10800 radians1"=13600°=1648000radians

Q: Use a trigonometric substitution to evaluate da. (25+ x2)2

A:

Q: Convert 270° to radians. Leave your answer in terms of r

A: We have to convert 270° to radians We know that ,  1° = π/180 radian So ,

Q: 10 + 5i 4i

A:

Q: Write the product as a sum or difference: 8 sin(466)sin(116) %3D

A: Given that: 8sin(46b)sin(11b)

Q: Complete the steps by applying trig identities to simplify the expression as much as possible Steps:…

A:

Q: Use a cofunction to write an expression equal to sin

A: Given, sinπ8

Q: Rewrite the expression as a sum or difference, then simplify if possible. sin 8x sin

A:

Q: Write the product as a sum or difference: 8 sin(20x)sin(9r)

A: Consider  8sin(20x)sin(9x)

Q: Write the product as a sum or difference. 18cos(29x)cos(17x)

A: Given that 18cos29xcos17x Given query is to write the expression as sum or difference.

Q: Complete the steps by applying trig identities to simplify the expression as much as possible Steps:…

A: = (1+ cot2x)/cot2x

Q: Write the sum as a product. cos(5x) – cos(9x)

A: cos5x-cos9x=-2sin5x+9x2sin5x-9x2=-2sin14x2sin-4x2

Q: Write the expression in terms of sine and cosine, and simplify so that no quotients appear in the…

A:

Q: Write the product as a sum or difference: 6cos(29v)sin(16v)=

A:

Q: Write the expression in terms of sine and cosine, and simplify so that no quotients appear in the…

A: Given,

Q: Divide. 3+7i 1+ i

A: Given: 3+7i1+i We know that; a+ibc+id=ac-bd+ad+bci

Q: perform the indicated operation and simplify. 5i(3 - 6i)

A: Given :                           5i (3 - 6i)

Q: Write the following in terms of sin ? and cos ?; then simplify if possible. (Leave your answer in…

A:

Q: Simplify csc to a single trig function using the sum or difference of angles identity. (2 - E):

A: Given,      csc( π2 - x )

Q: Write the following in terms of sin θ and cos θ; then simplify if possible. (Leave your answer in…

A: Given                csc θ tan θ

Q: Write the product as a sum or difference: 14sin(18c)cos(2c)=

A: The given trigonometric expression is:  14sin(18c)cos(2c)

Q: Write the product as a sum or difference: 16 sin(5t)sin(3t)

A: We have to solve

Q: Simplify the expression csc(sin^-1 y).

A:

Q: Write the product as a sum or difference. cos (-31) cos 61

A: We know that 2cosAcosB=Sin(A+B)-Sin(A-B)here A=-3t, B=6t

Q: Evaluate the expression without using a calculator, and write your answer in radi. sin 6.

A: sin-1(-√3/2) =?

Q: Write csc θ tan θ in terms of sin θ and cos θ

A: cosec θ  tan θ interms of sinθ:                                   cosec θ = 1sin…

Q: Simplify cos2θ*(1+tan2θ)

A:

Q: Sinlsir 5,

A: To evaluate the given trigonometric expression.

Q: evaluate sin(A-B)?

A:

Q: Write the ratio for cos B. 37 35

A:

Q: perform the indicated operation and simplify. (4 + 3i)/(6 - 2i)

A: The given expression is 4+3i6-2i   Apply complex arithmetic rule:  a+bic+di = c-dia+bic-dic+di =…

Q: Write sin a +sin b as a product using only sine and cosine.

A: Given, sina+sinb

Q: COS 150 is? *

A: Evaluate cos 150. When 150 is in radian then cos 150≈0.6993     Evaluate cos 150°. Since…

Q: Write the product as a sum or difference: 14sin(46x)cos(24x)=

A: Use the trigonometry identities and simplify the result.

Q: Write the product as a sum or difference: 20 sin(46v)sin(12v)

A:

Q: Simplify the following showing steps:   Cos4(theta)-Sin4(theta)

A: Given,

Q: Write the product as a sum or difference: 14 sin(406)cos(166) =

A: Here we use basic product to sum formulas of trigonometry. We want to write the given product as sum…

Q: Write the sum as a product: cos(19.26) + cos(11.86) : ||

A:

Q: cos² A (sec² A – 1)

A:

Q: (8+ 3i)? =O

A: Given (8+3i)2 Now. We can evaluate this and express in standard form as shown below

Q: Rewrite the expression as a product. Sin 7x + sin 3x=

A:

Q: Write the following in terms of sin θ and cos θ; then simplify if possible: csc θ cot θ

A: Given : csc (θ) cot(θ) We know the trigonometric ratios csc(θ)=1sin(θ)cot(θ)=cos(θ)sin(θ)

Q: Write the product as a sum or difference: 18 cos(22c) sin(9c) =

A:

Q: Write the product as a sum or difference: 8 sin(20c)sin(11c)

A:

Q: Write the expression in rectangular form, x+yi, and in exponential form, re" 3x 3x cos +i sin 8

A: Consider             (6(cos(3π8+isin(3π8))4= (6)4ei43π8=1296 ei3π2 which is in  exponential form…

Q: Simplify the following expression. sin (30° - x)

A: It can be solved using the formula sin(A - B) = sin A cos B - cos A sin B sin 30° = 12 and cos 30° =…