Rewrite the expression cos (0) without using any powers of sin or cos.

Q: Use substitution to determine whether the given x-value is a solution of the equation: cos x = sin…

A: We plug x=π/3.

Q: 51. Write csc x in terms of cos x.

A: sin2x +cos2x =1 ⇒  sin(x )=±1-cos2(x). csc(x) =1sin(x)

Q: Write the given expression as an algebraic expression in x. cos(2 tan-1 x)

A:

Q: Write the given expression in terms of x and y only. tan(sin-(x) + cos-(v))

A:

Q: Write the given expression as an algebraic expression in x. sin(블 cos-1,

A: Given  sin12cos-1x This expression has to be written as an algebraic expression in x. The identity…

Q: rewrite sin(x+pi/4) in terms of sin(x) and cos(x)

A: sin(A + B) = sinA cosB + cosA sinB

Q: Rewrite sin 2 cos as an algebraic expression in v. 5

A: Explanation: Given that,                          We know that,                           Use the…

Q: Use substitution to determine whether the given x-value is a solution of the equation.

A: Given- cosx=sin2x, x=π3 To find- whether the given x value is a solution of equation or not. Concept…

Q: Enter a simplified algebraic expression for the expression. X, cos tan %3D

A:

Q: Rewrite the expression as an algebraic expression in x. cos(sin−1(x))

A:

Q: Write the given expression as an algebraic expression in x. tan(2 cos-1(x))

A: According to the question, we have to solve the expression tan2 cos-1x and write as an algebraic…

Q: Evaluate the expression below without using a calculator. cos tan + sin-1

A:

Q: Find a simplified expression for tan( cos-1 ((a)/(6)))

A: Given: y=tancos-1a6 we know that cos-1x=tan-11-x2x                                similarly,…

Q: Verify that the equation is an identity. sin 2x = 2 sin x cos x

A: Trigonometric relations.

Q: Rewrite cos x + in terms of sin(æ) and cos(a) 3 -

A: Given expression is: cosx+π3

Q: Evaluate the expression without using a calculator. sin " + cos 4 4

A:

Q: Write an equivalent algebraic expression that involves x only.      tan (cos- 1 x)

A: Evaluate tancos-1x       ...(1)

Q: Evaluate the following expression when x is π/6. Use exact values. cos( x + pi/2)

A:

Q: Simplify: cos(x+ ) + sin(x – ) 5.

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

Q: Evaluate the expression below without using a calculator. cos 2 tan-11)

A: Solved below

Q: Write cos x in terms of tan x.

A: tanx= sinx/cosx Squaring on both sides We get, tan^2(x)=sin^2(x)/cos^2(x) tan^2(x)=…

Q: simplify the given expression  sin(2x)cos(6x)-sin(6x)cos(2x)

A: Explanation is given below...

Q: Find a simplified expression for cos(tan^-1(r/3))

A:

Q: Evaluate the expression below without using a calculator. cos(tan-1» V3 1 +COS 3. 2.

A:

Q: Evaluate the expression. sin 2150° + cos 2150° sin 2150° + cos 2150° =

A: We know the identity  Sin2A + cos2A = 1 ( no matter what is the value of A)

Q: Rewrite sin ( x in terms of sin(x) and cos(x). 4 |

A: sin ( a - b) = sin a cos b - cos a sin b

Q: Simplify the expression.  cos(2tan -1     x)

A: we have to simplify the expression. cos(2tan -1x)

Q: Begin by rewriting the given expression in terms of sine only. Then, simplify. cos?(x)

A:

Q: Rewrite sin ( x + ) in terms of sin z and cos r. Enclose arguments of functions in parentheses. For…

A:

Q: Write the expression in terms of sine only. -V3 sin(x) + cos(x)

A: The solution is given below:

Q: simplfy the given expression  sin(5x) cos(8x) − sin(8x) cos(5x)

A:

Q: Write sin x in terms of cos x.

A:

Q: Rewrite sin ( x + in terms of sin(x) and cos(x) 4

A: We know  sin(a+b) = sin(a)cos(b) + cos(a)sin(b)

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

A: We will use the below trigonometric identities to solve this

Q: Find the exact value of the expression. tan(an-1(금)- cos-1 (금))

A:

Q: and

A:

Q: Simplify the expression cos (tan-1  x)

A: Given expression:                            costan-1x

Q: Write the given expression as an algebraic expression in x cos(2 tan−1(x))

A: Given:

Q: Evaluate without using a calculator.       sin ( cos  -1 1/2)

A: sincos-112

Q: Simplify the expression. CoS cos (-x) cos (-x) sin (-x) sin (X)

A: Here, we will use basic properties of Trigonometry ratios

Q: Simplify the expression :  sec x cos x + cos x − 1/sec x  using basic identities

A: The basic identity is:cosx=1secx or secx=1cosx

Q: Write an equivalent algebraic expression that involves x only.    sin (cos- 1 x)

A: Given algebraic expression is sincos-1x. To write an equivalent algebraic expression that involves x…

Q: 1+cos 0 V1- cos 0

A: