Multiple Choice Questions on What is the value of tan 1o tan 2o tan 3o hellip hellip Tan 89o ........ for Punjab Naib Tehsildar Exam Preparation

Quantitative Aptitude (CDS) Punjab Naib Tehsildar Exam

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What is the value of tan 1^o tan 2^o tan 3^o ……. Tan 89^o?

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Explanation:

tan 1^o. tan 89^o = tan 1^o. cot 1^o = 1
similarly,
tan 2^o. tan 88^o = tan 2^o. cot 2^o = 1
tan 3^o. tan 87^o = tan 3^o. cot 3^o = 1
hence the equation will reduce to
tan 45^o = 1

By: Munesh Kumari

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