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If alpha=3sin^(-1)(2/3) and beta=2cos^(-...

If `alpha=3sin^(-1)(2/3)` and `beta=2cos^(-1)(1/3)` then which of the following is/are CORRECT?

A

(III)(ii)(R)

B

(III)(i)(R)

C

(IV)(i)(R)

D

(IV)(i)(P)

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