Math, asked by tapasdeo3456, 6 months ago

If tan X=x-1/4x ,then sec x-tan x is equal to

Answers

Answered by Anonymous

1

tan x=x-x/4

tan²x=x²+(x/4)²-x²/2

sec²x-1=x²+(x/4)²-x²/2

sec x=√(1+x²+(x/4)²-x/2)

now add sec x & ( -tan x)

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