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Please solve the given attachment.... Don't spam..... Otherwise i will report the answer...​

Answer»

b/√(a²+b²)Step-by-step EXPLANATION:LET  θ=tan⁻¹(a/b)then  tanθ=a/bhence   cos [tan⁻¹(a/b)]                  =cosθ                      =b/√(a²+b²)HOPE this helps youmark me as the brainliest



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