Without using calculator, find the value of the following Cos 75 , Sin Sin . Cos Tan 105 12 12

Q: If cos(θ)=-4/5 and θ is in the 3rd quadrant, find sin(θ)sin(θ)

A: see the details  solution in below

Q: Use addition formulas and the values of sin(ø) and cos(ø) for ø=pi/3 , pi/4 to compute sin(pi/12)…

A: Use formulae: also, make use of:

Q: If cos(@)= and 0 is in the 3rd quadrant, find sin(@) sin(@) - Question Help: D Post to forum Submit…

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Q: Z tan 45° п COS COS – 10 3

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Q: Give the exact value of the expression without using a calculator. 12 -1 + tan COS tan

A: Please consider the handwritten solution.

Q: Find the exact value of each expression, if it is defined. Express your answer in radians. (If an…

A:

Q: Find the exact value of the expression tan [cos -1 (4/5)]. Do not use a calculator.

A: tan [cos -1 (4/5)] We need to find the exact value of the given function.

Q: Simplify without a calculator: sin(5 )cos(40°) + cos(5 )sin(40°) COS

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Q: 24) Find the exact value. Do not use a calculator. sin 150° – tan 60° + cos 45°

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Q: Find the exact value of each expression. Do not use a calculator.; sin 30° - cos 45°

A: we have to find the exact value of each expression. sin 30° - cos 45°

Q: Use your calculator to evaluate cos '(0.47) to at least 3 decimal places. Give the answer in…

A: Here I am attaching image so that you understand each and every step.

Q: Use a calculator to find an approximate value (in radians) of the expression rounded to five decimal…

A: We have to find the value of sin-1 0.30.

Q: Find the exact value of each expression.Do not use a calculator.

A: Given: tan 20∘-cos 70∘cos 20∘

Q: if cosθ=-(1/9) and θ is not in QII find tanθ

A: We will find the value of  tanθ. Here we will use the formula  . That is         Sec2θ - tan2θ =1

Q: Use a calculator to evaluate the expression in both rac 7. tan-(-1.7) 8. cos- 0.24

A: we can find the value of the given inverse trigonometric functions by applying directly to the…

Q: without using the calculator evaluate : sin ϴ, cos ϴ, tan ϴ of  a) 450° b) 10pi/3

A: Calculation:a)Compute the value of sin (450°) as follows.

Q: If 5 sin A = 3, then without using calculator, Find the value of Sin 2A , Cos 2A. %3D

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Q: Evaluate the expression without using a calculator. sin 60° cos 30° + sin 30° cos 60°

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

Q: without using calculato find :   cos(225)sin(315) + 1/2sin(-270)tan(405)

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Q: Find the exact value of each expression.

A: Find the exact value of each expression. let tan-143=x⇒tan x=43here, perpendicular=4 , base=3using…

Q: cos−1(0.33

A: To evaluate using calculator.

Q: Evaluate the expression cos sin 3. Give vour answer as an exact value

A:

Q: Find the exact value of each expression.Do not use a calculator. sin 30° - cos 45°

A: here given  sin 30°-cos 45°

Q: Without using a calculator, find the exact value of: a) tan 45° b) sin 60°

A: We have to find the exact value of: a) tan 45°b) sin 60° We know the exact values, tan 45°=1sin…

Q: Use your calculator to evaluate cos (0.85) to at least 3 decimal places. Give the answer in radians.

A: To use calculator to evaluate cos-10.85 to atleast 3 decimal places.

Q: Provide the value of arccos(sin(14π/13)) without the use of a calculator

A: using cosπ2 - θ = sin(θ)

Q: without using the calculator evaluate : sin ϴ, cos ϴ, tan ϴ of  a) 450° b) 10?/3

A: Since, 360 degrees + thita lies in first quadrant, so values of sine, cos and tan is positive as…

Q: 4) If Cos A= 5/13 Then without using calculator Find the value of Tan 2A O (-120)/119 O 49/169 O…

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Q: Find cos θ and sin θ if tan θ = 4 and π ≤ θ < 3π/2

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Q: Find the exact value of the expression. Do not use a calculator. Cos 157.5° sin 22.5°

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Q: If tan β = 4/3 and β is in the third quadrant, find exact values for sin β and cos β

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Q: Without using a calculator, find the exact value of each: i. sin-1(sin)) =

A: topic- inverse trigonometric functions sin(π+θ)=-sin(θ)sin-1(-x)=-sin-1(x)

Q: Evaluate the expression without using a calculator. sin 30° cos 60° + sin 60° cos 30°

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Q: Find the exact value of the expression, cos (tan-1 4/3 + cos-1 5/13). Do not use a calculator.

A: Find the exact value of the expression, cos (tan-1 4/3 + cos-1 5/13). Do not use a calculator.

Q: Evaluate the sine, cosine, and tangent of the angle without using a calculator. (If an answer is…

A: sin(A-B)=sin(A)cos(B)-cos(A)sin(B) cos(A-B)=cos(A)cos(B)+sin(A)sin(B) tan θ=sin θcos θ

Q: if /3 tan0 = 3sin O. Find the valueof sin? 0- cos? 0

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Q: Without using a calculator, find the value of Sin? (80°) + case(oo+/ Sin(90) COS (209

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Q: Use a calculator to find an approximate value (in radians) of the expression rounded to five decimal…

A:

Q: Use a calculator to find an approximate value (in radians) of the expression rounded to five decimal…

A:

Q: 4) Find the exact value. Do not use a calculator. sin 30° – tan 60° + cos 45°

A:

Q: What is the value of (sin 150°)? + (cos 150°)??

A: Given- sin150°2+cos150°2 To find- The value of the above trigonometric expression. Identity Used-…

Q: Give the exact value of the expression without using a calculator. sin 2 cos

A:

Q: Evaluate the sine, cosine, and tangent of the angle without using a calculator.  (If the answer is…

A: To find the sine, cosine and tangent of 930° without using calculator

Q: 10. If the cos0=- and 0 is located in the third quadrant, what is the value of sin0?

A: Find by drawing a right angle triangle

Q: Find the exact value of each expression, if it is defined. Express your answer in radians. (If an…

A: a. Let us assume that x=sin-132 Now taking sin-1 to left hand side we get  sinx=32 So the value of x…

Q: cos sin

A:

Q: Find the exact value, without a calculator. 30° sin 2 30° CoS sin 15° tan 15° = %3D cos 15° ? ]- VI…

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Q: Find the exact value of the expression cos (sin-1 √2/2). Do not use a calculator..

A: To find the eact value of the expression cossin-122. Solution: Let y=sin-122 ⇒siny=22 We know that,…