Find tan -75° without using a calculator. [?]-V] |

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A: To find- Which is a possible value of q, rotating counterclockwise, to the nearest hundredth of a…

Q: 5) Find the exact value of tan () using the given figure. 15

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Q: cos θ = 0.4112.Use a calculator to find the value of the acute angle θ in radians, rounded to three…

A: Consider the following expression: cosθ=0.4112θ=arccos0.4112θ=1.147 radian

Q: Find the exact value of sin 15◦ .

A: ANSWER:

Q: Find the exact value, not a decimal approximation, of sin pi/12

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Q: cos(θ)=-4/5 and θ is in the 2nd quadrant, find sin(θ) sin(θ)=??

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Q: Use a sketch to find the exact value of the expression sin (cos-1√2/ 2)

A: sincos-122

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A: a) 4cos t+cos(-t)b) tan(-3t)-tan(3t+π)

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A: Given equation - tan2(3x) = 1tan(3x) = ±1Case 1tan(3x) = 1tan is positive in 1st and 3rd quadrant,…

Q: Find the exact value of sin 600ﾟ

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A: Since,it is known that the value of sin-1 is taken from -π2 to π2.Also,in the first quadrant all the…

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Q: Find the exact value of tan15°. 4 2+ /3

A: Exact value of:                            tan(15°)=?   We use the trigonometry formulas to find the…

Q: Find the exact value of tan 3 Write your answer in radians in terms of t. V 3 JT -1 tan 3

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Q: Find sin 75° without using a calculator. [? (V2+ V])

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Q: snip

A: Find the exact value of cossin-1-13.

Q: cos(θ)=-6/7 and θ is in the 3rd quadrant, find sin(θ) sin(θ)=???

A:

Q: Find the measure of cos-1 (-0.5) in degrees and radians.

A: cos-1-0.5

Q: Find each value of 0 in degrees (0° < 0 < 90°) and radians (0 < 0 < x/2) without using a calculator.…

A: a) 0°&lt;θ&lt;90° (Degrees) and 0 &lt;θ&lt;π2(Radians)     tan(θ)=3∴ θ= tan-1(3)∴ θ=…

Q: Use a graphing utility to approximate the solutions of the equation 15cos2 x + 7cos x - 2 = 0 in the…

A: The equation, 15cos2x+7cos x-2=0 in the interval [0,2π).

Q: Find the value of the trigonometric function: cos (-9π/4).

A: cos (-9π/4)

Q: Jse a half-angle formula to find the exact value of sin sin 8. -

A: Half- Angle formula is given bysinθ2=±1-cosθ2

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Q: Solve the trigonometric equation for the indicated domain to the nearest hundredth in radians. - 7…

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Q: Cos θ = 1/3, 270° &lt; θ &lt; 360°, Find the exact value of the remaining trigonometric functions of…

A: Given: cosθ=13, where 270°&lt;θ&lt;360°. Here, θ is in fourth quadrant. In quadrant IV, only cosine…

Q: cos θ = 0.8771.Use a calculator to find the value of the acute angle θ to the nearest degree.

A: Given :          cosθ=0.8771

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A: Cos inverse of a negative value will lie in the second quadrant.  So there we draw a triangle, so…

Q: 15 COS 2 tan-1 8.

A: The given trigonometric function is cos2tan-1158. The following trigonometric identities are used in…

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A: tant &amp; t lies in quadrant III.

Q: What is the exact value of sin ? 12

A: Use the trigonometric identities and simplify.

Q: 1. Find the exa a. sin-1

A: Given: (a) sin-122     (b) arcsin-12        (c) sin-12

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A: sintan-1724 Now let, tan-1724=θ⇒tanθ=724 Now consider the right angled triangle, Now by using…

Q: a) Find the exact value of tan sin

A: Given Let

Q: Find the values of the six standard trigonometric functions at 0 =11π/6.

A: The six standard trigonometric functions are: sin θ,cos θ,tan θcsc θ,sec θ,cot θ Given: θ=11π6

Q: What is the first step in finding the exact value of cos 495 degree ?

A: We have to determine the value of term cos495°. Since, angle θ=495° is more than 360°, therefore the…

Q: Find the value of the trigonometric function: cos (-π/4).

A: Given:cos-π4

Q: Find the exact value of cos 495 degree.

A: Evaluate cos495°

Q: Find the exact value, in radians, of the sin 2

A: