Simplify the following trigonometric expression as much as possible: cos B + sin B tan B Select the correct answer: 1234567891011121314151617181920 2122232425262728293031323334353637383940.

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Simplify the following trigonometric expression as much as possible: cos B + sin B tan B Select the correct answer: sec B 2.cos B 3.sin B 4.tan B

Find the indicated power using DeMoivre’s Theorem. ( 1 - i ) 24 Select the correct answer: , , ,096 i

u = i + j, v = i - j, find 7 u - 2 v. Choose the correct answer from the following :

The forces F 1, F 2,..., F n acting at the same point P are said to be in equilibrium if the resultant force is zero, that is, if F 1 + F F n = 0. F 1 = i + j, F 2 = i - j, F 3 = 4 i + 8 j Find the additional force required for the forces to be in equilibrium P. Choose the correct answer from the following : F 4 = -6i - 8j 2.F 4 = -6i + 8j 3.F 4 = 6i + 8j 4.F 4 = 8i - 6j

Find the component of u along v. u = 10 i - 14 j, v = 2 j. Select the correct answer: