Math, asked by gamerom009987, 1 day ago

pls ans this I will definitely give brainliest to u

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Answered by harshsingh26092002

Answer:

Option b

Step-by-step explanation:

CosA = 1/√2 that means A = 45°

(2tanA) / 1 + tan²A

= Sin2A (By Trigonometry Identity)

= Sin(2×45)

= Sin90

= 1

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pls ans this I will definitely give brainliest to u ​

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pls ans this I will definitely give brainliest to u