PLEASE HELP ME!! Verify each trigonometric equation by substituting identities to match the right hand side of the equation to the left hand side of the equation.
1. cot x sec4x = cot x + 2 tan x + tan3x
2. (sin x)(tan x cos x - cot x cos x) = 1 - 2 cos2x
3. 1 + sec2x sin2x = sec2x
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Step-by-step explanation:
1+Sex2xsin2x
=1+tan2x
=Sex2xsin2x (proved)
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