cotA = tan(90degrees- A) True or False The vectors and are orthogonal True or False 2 = 16 True or False * = + = Find c if a = 3, b = 5, and A = 30degrees=

cotA = tan(90degrees- A) True or False

The vectors <4, 5> and <-10, 8> are orthogonal True or False

2<3, 5> = 16 True or False

<2. 3>*<4, 3> =

<2, 6> + <4, 5> =

Find c if a = 3, b = 5, and A = 30degrees=

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