Mathematics
Prove that :
tan (55° + x) = cot (35° - x)
Trigonometric Identities
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Answer
Given equation : tan (55° + x) = cot (35° - x)
Solving L.H.S.
⇒ tan (55° + x)
⇒ tan [90° - (35° - x)]
By formula,
tan (90° - θ) = cot θ
⇒ cot (35° - x)
Since, L.H.S. = R.H.S.
Hence, proved that tan (55° + x) = cot (35° - x).
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