Math, asked by Mackaushal, 3 months ago

If tan A + cot A=2 then sec2A+ cosec2A

(Or)

If sec A + tan A =5 then find sec A –tan A



Answers

Answered by alu123
2

Answer:

sec a - tan a = 1/5

Step-by-step explanation:

as sec^2 a - tan^2 a = 1

[sec a + tan a][sec a - tan a] = 1

5 [ sec a - tan a] = 1

sec a - tan a = 1/5

i am not answering the other as it is not clear whether it is sec^2 a or sec 2a  

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