if sec theta plus tan theta is equal to one by four.Then find sec theta minus tan theta whole cube
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If sec theta plus tan theta is equal to one by four.Then find sec theta minus tan theta whole cube
tan
2
θ=sec
2
θ−1
=(x+
4x
1
)
2
−1
=(x+
4x
1
)
2
∴tanθ=±(x−
4x
1
)
=(x−
4x
1
)or(
4x
1
−x)
∴secθ+tanθ is either 2x or
2x
1
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