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If sec5A=cosec(A+36°),where 5A is an acute …

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If sec5A=cosec(A+36°),where 5A is an acute angle, find the value of A

Posted by Annie Thapar 6 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Sanjana Tungal 6 years, 2 months ago

Sec5A=cosec(A+36) Cosec(90-5A)=cosec(A+36) Both the cosec get cancelled And then, 90-5A=A+36 90-36=A+5A 54=6A A=54/6 A=9

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