ICSE Class 10 Answered

Prove that: tan(55'+x)=cot(35'+x)

Asked by Arun Das | 21 Jan, 2014, 08:54: PM

Expert Answer

tan(55^o+x)

= tan[90^o - (35^o-x)]

= cot (35^o-x)

Since, tan (90^o - A) = cotA

Answered by | 21 Jan, 2014, 11:04: PM

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ICSE 10 - Maths

tan 30

Asked by ishaansansare28 | 13 Jan, 2019, 03:54: PM

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