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#1 2008-12-01 00:16:54

ganesh
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High School Mathematics - Trignometry.

1. Simplify;-



2.Prove that



3. Prove that



4. Show that:




5. If A = 60, and B = 30, verify that

(i) sin (A + B) = sinA cosB + cosA sinB

(ii) cos(A + B) = cosA cosB - sinA sinB


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