Kya is group mai koi aaisa nhi jo mere question ka answer de sake?
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Answer:
21/20
Step-by-step explanation:
sino = 20/29
sin^2o + cos^20 = 1
cos^2o = 1-sin^2o
cos^2o = 1-(20/29)^2
cos^2o = 1-(400/841)
cos^2o = 841-400/841
cos^2o = 441/400
taking square root on both sides
coso = 21/20
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