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

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: tan (Cos (을) -Smil(-종))

A: As you solved  cos-132→θ → tan-113sin-1(35)→ θ → tan-134 Note: You putted wrong value of sin-135.…

Q: 1-cos?x Simplify: sin²x

A:

Q: give exact value of expression without calculator sin(2tan to the negative 1 power (-5/12))  solve…

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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°

A:

Q: Using your calculator, find 0 to the nearest degree if sin 0 = 0.6691.

A: The given trigonometry equation is sin θ=0.6691.

Q: Find the exact value of the expression sin-1 (cos 2π/3). Do not use a calculator.

A: From unit circle we get cos 2π/3= -1/2

Q: Evaluate without using a calculator.       cos ( sin  -1 3/4)

A: We have to evaluate cossin-134 We know that sin-1x=cos-11-x2 Therefore,…

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: Evaluate the expression without using a calculator. - sin 6 6. sin cos Cos

A: Solve the given expression

Q: Use an Addition or Subtraction Formula to simplify the equation. sin(3θ) cos(θ) − cos(3θ) sin(θ) = 0

A: Given,

Q: Use a calculator to find the value of the expression sin-1 0.47 rounded to two decimal places.

A: sin-1(0.47) Calculator gives its value = 28.0342965349

Q: The sine of an angle is equal to 0.362. What is the value of tangent for this angle? Express your…

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Q: Find exact value of sin (pi/4) and explain how you got the answer

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Q: Find the exact value using sun and difference formulas.  sin(cos-1 5/13 - sec-1 5/4)

A: Let,I=sincos-1513-sec-154using…

Q: If we know the values of sin(x) and cos(x), we can find the value of sin(2x) by using the -Select-…

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Q: Find the exact value without using a calculator. -2n 12) sin 3

A: Use the trigonometric identities and simplify.

Q: Evaluate without using a calculator.     sin    -1 ( sin pi/6)

A:

Q: 3. Find the exact value of sin (7/3) without a calculator.

A:

Q: Simplify sin(7w) - sin(3w) cos(7w) + cos(3w) to an expression involving a single trigonometric…

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Q: Find the exact value of the expression, if possible sin(sin-1 π). Do not use a calculator.

A: We know the inverse property of sinsin-1x=x applies for every x which lie in the interval  -π2,π2.…

Q: If sinx = 1/9, x in quadrant 1, then find (without finding x) sin(2x) = ? cos(2x) = ? tan(2x) = ?

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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: Find the exact value of the expression, if possible sin-1 (sin π/3). Do not use a calculator.

A: Given expression: sin-1sinπ3

Q: Find the exact value, without a calculator. sin tan 12 引ルレ 7Tn 1116 [?]+ V[ ] コー」 Enter

A: Given: tan7π12 The objective is to find the exact value.

Q: Evaluate the expression without using a calculator. sin 4 元 + Cos 4 -

A: We kow…

Q: Find the value of sin(sin-1((3)/(5))+tan-1((7)/(24))) without using a calculator (use angle sum or…

A: Please refer to the image below

Q: Use a calculator to find the value of the expression sin-1 0.3 rounded to two decimal places.

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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: When working with equations, it is common to substitute ,2 cos? 0 with sin? 0-1 O True False

A: We have to find whether the given statement is true or false.

Q: Without using your calculator, find the exact value of the expression. sin 2cos 5.

A:

Q: Use a calculator to find the value of the expression sin-1(-0.32) rounded to two decimal places.

A: Given expression: sin-1-0.32

Q: Find the exact value of the expression sin2 π/7 + cos2 π/7. Do not use a calculator.

A: To find the value of sin2π7+cos2π7. We know that sin2θ+cos2θ=1. Therefore, using the above identity.…

Q: Use your calculator to find sin e and cos e if the point (9.33, 7.07) is on the terminal side of e.…

A: Given : Let A (9.33,7.07), the attached figure to better understand the problem. Find the value of r…

Q: Evaluate without using a calculator.     sin    -1 ( sin pi/3)

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Q: Find all radian solutions using exact values only.   2 cos x - sec x +tan x = 0

A: Given equation - 2cosx-secx+tanx = 02cosx-1cosx+sinxcosx = 02cosxcosx-1+sinxcosx =…

Q: Cos (atan(½)

A:

Q: Evaluate without using calculators: cos sin cos 5 13

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

A:

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: What is the value of sin 30°?

A:

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

A:

Q: Find the value of the acute angle 8 if √2 sine = 1.

A: Solution of given question is written in below steps.

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,…

Q: The sine of an angle is equal to 0.75. What is the value of tangent for this angle? Express your…

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Q: Evaluate the expression without using a calculator. 2 sin sin - cos 4 cos 6

A: Given,