46. Determine which of the following is an identity. cos 2a CSC a sin α(cos² α-1) cot a 1+ cos a O A. 1 sin α + tan a 2 tan a 1-tan² a О в. sin 2α cos a cot a = 1-sec 2α 2(1-sin² a) cot a

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A: Follow the procedure given below.

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A: Note:- As per your request i am solving question no. 2 here.

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A: Please refer to the image below

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Q: 0=0.0859 cos¹ 0.5097 0= 1.993

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Q: Which of the following solutions obey the boundary conditions X(0) = 0 and X (L) = 0? [tick all that…

A: Note:- As per you mention question no. 1 only. So i am solving only it from given 2 questions.

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Q: Convert the angle from degree to radian measure. 0-14 3 28T 857 9 169T 36 0 = -840°

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