If A = [ cos alpha -sin alpha sin alpha cos alpha ] , then A

This question was asked in Question 3 (Choice 1)

If A = [ cos alpha -sin alpha sin alpha cos alpha ] , then A A'=I , if the value of alpha is :
(a( = π/6
(b)= π/3
(c) = π
(d) = 3π/2

Riya Sharma

March 20, 2021, 9:54 a.m.

Answers!

Riya Sharma

March 20, 2021, 9:55 a.m.

(b) = π/3

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