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If sec 4A=cosec ( A-20),where 4A …

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If sec 4A=cosec ( A-20),where 4A is an acute angle,find the value of A..

Posted by Om? Modi 6 years, 1 month ago

CBSE > Class 10 > Mathematics

4 answers

Om? Modi 6 years, 1 month ago

Bhai plz abhi bhi confusion hai

Mandeep Das 6 years, 1 month ago

A=22

Amarjit Kaur 6 years, 1 month ago

A=22 not 55

Pranay Islary 6 years, 1 month ago

Cosec(90-4A)=cosec(A-20) 90-4A=A-20 90+20=A+4A 110=5A 110/5=A 55=A

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