Mathematics · Trigonometry

यदि A = 22.5° है, तो (10√2 sin 2A - 7√2 cos 2A + 9 tan 2A) का मान क्या है?

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यदि A = 22.5&deg; है, तो (10&radic;2 sin 2A - 7&radic;2 cos 2A + 9 tan 2A) का मान क्या है?