Posted by
**James** on
.

Let P=(cosA sinA)

(sinA cosA)

Q=(cosB sinA)

(sinB cosA) show that

PQ=(cosA(A-B) sin(A B))

(sinA(A B) cos(A-B))

Wednesday

March 29, 2017
Posted by
**James** on
.

Let P=(cosA sinA)

(sinA cosA)

Q=(cosB sinA)

(sinB cosA) show that

PQ=(cosA(A-B) sin(A B))

(sinA(A B) cos(A-B))

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