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Question

if sin alpha is equal to 1 by root 2 and 10 beta is equal to 1 then find sin alpha + beta where alpha and beta are acute angles

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Dear student
Assuming your question asIf sinα=12 and tanβ=1,then find the value of sinα+β where α and β are acute angles.Solution:sinα=12sinα=sin45° α=45°and tanβ=1tanβ=tan(45°)β=45°So, α+β=45°+45°=90°hence sinα+β=sin90°=1
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