the value of tan 75 + tan 15
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tan15° + tan75°
= tan15° + 1/cot75°
= tan15° + 1/tan15°
= (tan^2 15° + 1)/tan15°
= 2 * (tan^2 15° + 1)/(2tan15°)
= 2/sin30°
= 4.
tan15° + tan75°
= tan15° + 1/cot75°
= tan15° + 1/tan15°
= (tan^2 15° + 1)/tan15°
= 2 * (tan^2 15° + 1)/(2tan15°)
= 2/sin30°
= 4.
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