Question

If θ be positive acute angle and 5cosθ + 12sinθ = 13, then the value of cosθ is

A) 12/13 B) 5/13 C) 5/12 D) 1/5

Answer 1

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If θ be positive acute angle and 5cosθ + 12sinθ = 13, then the value of cosθ is

A) 12/13✔✔