Question: Given that tan A = 7/24, where A is reflex, and sin B = 5/13, where B is obtuse, calculate the exact value of: a.

Given that tan A = 7/24, where A is reflex, and sin B = 5/13, where B is obtuse, calculate the exact value of:

a. sin (A + B)

b. tan (A − B)

c. cosec (A + B)

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