Verify each trigonometric equation by substituting identities to match the right hand side of the equation to the left hand side of the equation.

cot x sec4x = cot x + 2 tan x + tan3x
@ganeshie8

Question

Verify each trigonometric equation by substituting identities to match the right hand side of the equation to the left hand side of the equation.

cot x sec4x = cot x + 2 tan x + tan3x
@ganeshie8

anonymous · Answer

you did this question before but i don't quite understand it.

anonymous · Answer

cotx+2tanx+tan3x

1tanx+2tanx+tan3x

1+2tan2x+tan4xtanx

1+tan2x+tan2x+tan4xtanx

sec2x+tan2x+tan4xtanx

sec2x+tan2x(1+tan2x)tanx

sec2x+tan2x(sec2x)tanx

sec2x(1+tan2x)tanx

sec2x(sec2x)tanx

sec4xtanx

cotxsec4x