In 7.2 problem 10 since the half angle identity of cos^2 is being applied to cos^4 shouldn't the half angle identity be squared?

Q: Question 4 Write, in simpler form: a) b) c) cos¹ x - sin¹ x tanx-cotx √2 cos x+2

A: Topic = Trigonometry

Q: The answer is wrong that I got before from an expert.

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Q: Simplify the following to a single trigonometric function. 2 - cos (æ) sin (x) Remember that to type…

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Q: Suppose that tana: and 90 <a<180°. Find the exact values of sin and tan

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Q: If angle x is in standard position such that Cos=-8/17 & Sine > O determine the exact value of Tane.…

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Q: When we evaluate sin 2, how do we know whether to set the calculator todegree or radian mode?

A: Set the calculator to radian mode to evaluate sin 2.

Q: I had that first answer but it was wrong and I also had 2 sin theta cos theta but as my second…

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Q: what does arcsin(4) mean does it mean that its equal 4 or its equal to radian on the unit circle

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Q: Write the first trigonometric function in terms of the second for ? in the given quadrant. cos(?),…

A: To write the first trigonometric function in terms of the second for θ inthe given quadrant.,  in…

Q: Sin and Find coso secl-6) cotG Sin

A: According to the question, we have to find the trigonometric expressions using the value of sin θ=14…

Q: At one time, a certain make of calculator did not allow the input of angles outside of a particular…

A: Given: At one time, a certain make of calculator did not allow the input of angles outsideof a…

Q: Why do we use the Laws of Sine and Cosine O In order to solve a reciprocal O To verify trig…

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Q: Which of these statements never can be true? A) tanx = 500 B) Cosx =0,999 () sinxcosx 5,000 = Q)…

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Q: Vithout a calculator convert 7°1 2' to radians

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Q: cos θ =cosθ/csc θ, where θº ≤ θ < 360º, is shown below step one) cosθ=cosθ(1/cosθ) step two)…

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Q: give an example of when law of cosines will have to be used first instead of law of sines

A: If you know the three sides, you can use the Law of Cosines to find any angle instead of law of…

Q: 29 7T in radians is 10 The angle between 0 and 27 in radians that is coterminal with the angle…

A: 29π10=(20+9)π10

Q: if cos beta = 2/5 and beat is the 4th quadrant, find sin beta

A: Given,

Q: State the amplitude and period f(t) =cos of cos (3t)

A: Given Find amplitude and period  ft=78cos3t

Q: Find the exact value of tan(sin¯¹()).

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Q: What is the exact value of cos- (sin a) where a = 13T radians? 4

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Q: at does this tell me though?

A: Given : Say x = tan - 1  ( 52)  Trigonometric functions are the functions of an angle. The basic…