+0  
 
0
66
1
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Find π‘π‘œπ‘ (2𝛼 + 𝛽) given that 𝛼 = 𝑠𝑖𝑛^βˆ’1 (4/5 ) and 𝛽 = π‘‘π‘Žπ‘›^βˆ’1 (12/5).  

 May 2, 2023
 #1
avatar+214 
0

I get about -0.99384, using a calculator.

 May 2, 2023

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