Find the exact value of the expression. COS 117 6.

Q: Find the exact value

A: To evaluate cos (67.5 degrees) exactly (without calculator or tables)

Q: Which expression is equal to cos(6t)?

A: Recall:  cos(2t)=cos2(t)-sin2(t)     Given,   cos(6t)

Q: Find the exact value of the expression given below. cos(105°)

A: Given ;

Q: If cos cos (3/3 + x) = 1/2, find the correct value of O 퓸 3 π

A:

Q: Find a cofunction with the same value as the given expression cos 2π/5

A: Given expression cos2π5Co-function identity we have ,cosπ2-x=sinxand sinπ2-x=cosx

Q: Find the exact value of the expression: cos(1050)

A: we have to find the exact value of the expression cos(105°).  Cos(A+B) =cosAcosB-sinAsinB

Q: Give the exact value of  CSC 7(pi)/6

A: Given Data: Trigonometric Expression: csc7π6 The value of cosecant of angle π6 is, cscπ6=2

Q: Find the exact value of the expression. csc cos 29

A: NOTE: Refresh your page if you can't see any equations. .

Q: Find the exact value of the expression. cos 29

A: Simplification

Q: Find the exact value of the expression cos (240° + 45°)

A:

Q: Find the exact value of each expression.

A: Given: y=cos5π4 We know that cosπ+θ=-cosθ                                                        ..1

Q: Find the exact value of cos π /12.

A: Given expression: cosπ12 We can write the above expression as cosπ12=cosπ4-π6

Q: Find the exact value of each expression.

A: We have to use trigonometric ratios to solve the expression . The cosine function is an even…

Q: Find the exact value of cos(37.5◦).

A:

Q: Find the exact value of the expression. cos (30° + 120°) so:

A:

Q: Find the exact value of each expression.

A:

Q: What is the exact value of cos⁡15∘?

A: According to the given information, it is required to find the exact value of cos(15).

Q: Find a cofunction with the same value as the given expression cos(3π/8).

A: We know that cosθ=sinπ2-θ         ...(1)

Q: Find the exact value of each expression.

A: Part (a): cos-112 On solving the above expression, cos-112=cos-1cosπ3=π3

Q: Evaluate the expression below without using a calculator. cos(arccos (4/5)- arctan(3)) =

A:

Q: find the exact value of each expression.

A: Given expression is  cotcos-1-33

Q: Find the exact value of each expression. cos 7π/12

A: Consider cos 7π12= cos 3π+4π12 =cos 3π12+4π12= cos π4+π3

Q: Find the exact value of cot (cos^-1 (-4/7))

A: As we know that sinx=1-cos2x   and cotx=cosxsinx

Q: Evaluate the expression below without using a calculator.  cos(arccos(4/5)+arctan(3))=________

A: cos(arccos(4/5)+arctan(3)) We have to evaluate the expression below without using a calculator.

Q: Find the exact value of cos 45°.

A: NOTE: Refresh your page if you can't see any equations. . from the trigonometric table, we can…

Q: Simplify the expression by first substituting values from the table of exact values and then…

A:

Q: Find the exact value of the expression. cos105°

A:

Q: Find the exact value of the given expression without using a calculator. 23n cos 4

A:

Q: Find the exact value of the expression cos(135° + 30°)

A: Find the exact value of the expression cos(135° + 30°)

Q: If cose = -12/13 and e is in the second quadrant, find csce.

A:

Q: Find the exact value, in degrees, of the expression cos 1(0).

A:

Q: If cos 210°=-√3/2,find the value of tan105°

A: We know that : cos2θ=1-tan2θ1+tan2θ or, tan2θ=1-cos2θ1+cos2θ. Here given that θ=105° .

Q: Find a cofunction with the same value as the given expression. cos( 5π/4 + x)

A: The given expression is

Q: Which of the following values of 0 does NOT satisfy the equation cos? 0 = cos 0? 2 2)

A:

Q: Find the exact value of each expression: (a) sec(arctan(2)) (b) cos(2sin^−1(5/13))

A: These problems can be solved by using trigonometric identities and formulas. The solution is…

Q: Find the exact value of the expression cos 11π/6. Do not use a calculator.

A: To find the exact value of the expression,cos11π6. Solution: The given expression is , cos11π6…

Q: Find the exact value of cos 15°.

A: To find value of cos15°. We know that cosa-b=cosa cosb+sina sinb Therefore, using the above formula.…

Q: Find a cofunctions with the same value as the given expression cos(7π/4+x)

A: Consider the given expression

Q: Find the exact value of each of expression cos(-40°)÷ cos40°

A: Given:

Q: Find the Exact Value of the Expression   sec[cos-1 (√3/2)]=

A:

Q: Find the exact value, if possible, cos(cos-1 1.5).

A: Consider the provided expression, coscos-11.5 Find the exact value.

Q: (a) 10 cos 100t + 3

A:

Q: Give the exact value of cos 3 (플),

A: Answer is Cos2x/3= -1/2.

Q: Given the expression below, what is the value of (1+ cos e)/2? cos -= x 2

A: cosθ2=x

Q: O Find the exact value of the expression cos 195°.

A:

Q: Find the exact value of cos(105°).

A: This question is related to the trignometric identities, We will solve it using given information.