Prove that tanA tan(90 - A) = cotA cot(90 - A) = sinA sec(90 - A
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Description
Optional Math 9 - Flip eBook Pages 201-250
SOLUTION: Class 10th test maths - Studypool
सिद्ध कीजिए की: tan A +tan ( 90^(@) -A) =sec A sec
Ex 8.3, 1 - Express sin A, sec A and tan A in terms of cot A
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