Math, asked by vimalaiyer1981, 10 months ago

prove that :
sec40 - cos40 =
1 - 2cos²0 ( consider 0 as theeta , 4 is raise to sec & cos) ​

Answers

Answered by kaviyadharshine
1

Step-by-step explanation:

sec 40- cos 40

1/cos 40 - cos 40

(1-cos^2 )/cos 40

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