Math, asked by Shivanshp, 1 year ago

If cosa=2by5 find the value of 4+4tan squarea

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Answered by kishanpentyala

3

$4(1 + {tan}^{2} a) \\ = 4( {sec}^{2} a) \\ = 4( {5 \div 2) }^{2} \\ = 4 \times(25 \div 4) = 25$

sushanth5: my answer is also same like this

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