sin α = 24/25 , 0 < α < pi/2, cos β =20/29, 0 < β. Find cos (α + β).
Added by Jacob V.
Step 1
First, we can use the Pythagorean identity to find the value of cos α: cos α = sqrt(1 - sin^2 α) = sqrt(1 - (24/25)^2) = 7/25 Show more…
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