A spherical triangle has the following parts: C = 90°, a = 50°, and c = 80°. Find the measure of angle B. Select one: O a. 81.28 deg O b. 82.65 deg O c. 77.87 deg O d. 72.56 deg

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A: given matrices are

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A: The given expression is 3/8 + 5/24.Simplify the given expression as follows.

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Q: 1 3 -2 What is the rank of 2? -81 -1 -2 -6 4 a. 4 с. 2 b. 3 d. 1

A: Given: The matrix, 13-2401-12-2-64-8 To find: The rank of the matrix.

Q: 14. (27 – 3 + 3k ) + 3(7 – !J + k )

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Q: 4.) Which expressions have a negative product? Select all that apply. A. (-1)(2)(-3) B. -(-3)(-2) C.…

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A: -83

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A: Obtain the velocity vector as shown below: vt→=ddtrt→vt→=ddtsint,t,costvt→=cost,1,-sint

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A: B=327-5 C=564-3 4B=4×327-5     =4×34×24×74×-5      =12828-20 -3C=-3×564-3         =-3×5-3×6-3×4-3×-3…