Simplify: (sin x / cos x)2 - 1 / cos2 x I need all work.  I fixed the question.

Q: How would I simplify cos3x+sin2x * cosx

A: Remember:

Q: Given that sinX is -4/5 in Q4 find tan2x

A:

Q: sin "x cos“x dx cos²a 4.

A: We will use simple Integration technique to solve this question.

Q: 8. cos x+- +sin x- 3 6.

A: According to the guidelines I have to solve only first question. We can solve this problem…

Q: Simplify cos2(15)-sin2(15)

A:

Q: Explain why the equation cos x = x has at least one solution.

A:

Q: tan(cos(e2) + cosh(2 + j3))

A:

Q: Solve The equation cosx-x Mamerically using secant approach.

A:

Q: By using substitution, show that x = 4 pi / 6 is a solution to the equation sin (2x) = cos (x). Show…

A:

Q: a) Simplify sin 2 tan in terms of x using triangle method.

A:

Q: Find a value of x that satisfies the equation sin 20° cos (x). Submit

A:

Q: If sec² A is 5/2 the quantity 1 - sin² A is equivalent to

A:

Q: Cos(x)•Cos(-x)-sin()sin(-x)

A: Given: cos(x) cos(-x) - sin(x) sin(-x)

Q: Is sin2(0+1) zero or one?  Please explain

A:

Q: Use the half-angle formulas to simplify the expression. 1- cos(x – 3) 2

A: We know that cos(2t)=cos2t-sin2t=2cos2t-1=1-2sin2t⇒2sin2t=1-cos(2t)⇒sin2t=1-cos2t2

Q: The expression 2 tan(x) sin(x) + 5 sec(x) simplifies to A sec(x) - B cos(x), determine A and B.

A:

Q: Solve the equation sin 3x + sin x + cos x = 0 on the interval [0, 2π). Do not use a calculator.

A: Given: sin3x+sinx+cosx=0, x∈[0,2π) we know that sin3θ=3sinθ-4sin3θ

Q: simplify sin2x +cos 2x for x =30

A:

Q: Rewrite sin(x+8π/3) in terms of sin(x) and cos(x) and simplify sin(x+8π/3)=

A: Using Sin(A+B) formula

Q: Simplify   sin 2 600 + cos 2 30 0

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

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

A:

Q: Solve for the equation 4 sin ϴ + 3 cos ϴ = 4 for the  domain 0° ≤ ϴ ≤ 360°

A: Given problem is :   Solve for the equation 4 sin ϴ + 3 cos ϴ = 4 for the  domain 0° ≤ ϴ ≤ 360°

Q: Solve the equation COSX = X Mumerically using secant approach. Choosing Xo₂0 and X₁ = 0,5 =

A: The secant method uses the formula: xn+2=xn-f(xn)⋅xn+1-xnf(xn+1)-f(xn) to perform the iterations to…

Q: Use the power reducing formulas to rewrite sin24x cos24x in terms of the first power of cosine.…

A:

Q: Why is cos(sin^-1(x)) equal to sqrt(1-x^2)?

A:

Q: Cos X Sind w/

A:

Q: Solve the equation x+ 6 cosx=0 by using a graphing utility.

A: We graph the function f(x)=x+6cosx using a graphing utility

Q: Find a value of x that satisfies the equation sin 69° = cos (x). Submit

A:

Q: Use a calculator to solve the equation, correct to four decimal places, on the interval [0, 2π).

A: To Determine: Use a calculator to solve the equation, correct to four decimal places, on the…

Q: |- sinx

A:

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

A: As per guidelines we have to solve one question

Q: Find sin (2x)cos (2x)dx.

A:

Q: Solve for sin2x, cos2x, and tan2x using Double Angle Identities when cosx= 4/5, cscx<0

A:

Q: Find the quotient when 20(cos 75 degree + i sin 75 degree ) is di vided by4(cos 40 degree + i sin 40…

A: Given that, 20(cos 75° +i sin 75°)4cos 40° + i sin 75° We can use here,  eiθ = cos θ + i sin θ and…

Q: sec² A is 5/12 the quantity 1 - sin² A is equivalent to?

A:

Q: V2. Equivalent of sin45 ° + cos60 ° is which one?

A:

Q: 3.

A:

Q: Determine whether the statement "Although sin-1 (-1/2) is negative, cos-1 (-1/2) is positive." makes…

A: Using the ASTC rule, we know that sine is positive in the 1st and 2nd quadrant. But since sine…

Q: Simplify to a single trigonomeiric ratio: cos(90°-x).cos(-y)- cos(180°-x)sin(-y). cos(360°…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: What is the equivalent of the given expression in terms of sin x tan 0 - csc20 sec20

A: Given- tan2θ-csc2θsec2θ To Find- The equivalent term in terms of sinθ.

Q: Write sin 5x cos 9x as a sum or difference. Express your answer with even/odd properties applied.

A:

Q: in terms of sin(x) and cos(x) 3. Rewrite cos

A: Given : cos(x - 23π) To find : Rewrite the given function in terms of sin(x) and cos(x)?

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

A:

Q: sinx cosx 03メー1

A:

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.