Finding solutions in an interval for a trigonometric equation... Find all solutions of the equation in the interval [0, 21). cose cos 20 - sin 0 sin 20 = 0 Write your answer in radians in terms of it. If there is more than one solution, separate them with commas. = 8

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A: We know the equation Sec (180 + x) = - Sec(x)

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A: Here is the solution:

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A: Note: Inverse of a singular matrix does not exists.

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A: 32 m∠AED = m∠ CED  here both angle are same  33 m∠DEB &gt; m∠ DCE  here we can direct see that angle…

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A: Given sec2(x)-1sin2(x)To write in simplified form:

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A: We can find the answer as below.

Q: 57 8 side by side a A side c B 42

A: Here is the solution

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A: Multiple questions-"As per our guidelines we are suppose to answer only one question.Kindly re-post…

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Q: Please draw the given angles . 1. 22 π/3 2. 4/3π

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A: See the details solution in below

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A: We have to find general solutions

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Q: 10. What is the value of sec 60°? A. 2 B. - 2 C. - 1 D. 1

A: The objective is to solve 10,11,12 Use cosine rule in 12th question .

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A: We can solve this as follows:

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Q: 19. In right triangle PQR, PQ = 12 and QR = 5 cm, what is cos R? 12 5 5 A. B. C. D. 12²2324 13 12 5…

A: This is a problem related to triangle calculation. Based on the general formula and calculation we…

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A: Given :3cos2β-3sin2β

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Q: Please help me with this.

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A: Graph the trigonometry function :        y=12cosx+π2

Q: At the bottom it is 1-tan^2 112.5 degrees, not a +, would this change the answer?

A: The given expression,         2tan 112.5°1-tan2112.5°

Q: tan 90° cot 135°

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