If cos( |
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(a) |
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(b) |
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(c) |
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(d) |
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If cos( |
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(a) |
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(b) |
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(c) |
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(d) |
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and
both are acute angles.
cos() =
⇒ tan() =
And sin() =
⇒ tan() =
Now, tan2 = tan((
) + (
))
=
=