![cos^{-1}[\frac{5}{13} ] = \alpha](/tpl/images/0409/7584/97dab.png)
= 
![cos^{2}[\beta] +sin^{2}[\beta]=1](/tpl/images/0409/7584/48b3b.png)
]
from the above formula as + or - 12/13![2\beta = 2*sin[\beta ]*cos[\beta ]](/tpl/images/0409/7584/93150.png)
![sin[2\alpha ]=2*(+or- 12/13)*5/13\\](/tpl/images/0409/7584/6f19a.png)
Find the exact value of the given expression.
sin(2cos^-1(5/13))...
Mathematics, 09.12.2019 07:31 james234886
Find the exact value of the given expression.
sin(2cos^-1(5/13))
Answers: 1
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