josehoz2005 josehoz2005

09-01-2021
Mathematics

contestada

- tan^2x + sec^2x = 1 proving trig equations

Respuesta :

amartine2640 amartine2640

09-01-2021

Answer:

Is C

Step-by-step explanation:

Answer Link

jimrgrant1 jimrgrant1

09-01-2021

Answer:

see explanation

Step-by-step explanation:

Using the trigonometric identity

sec²x = 1 + tan²x

Consider the left side

- tan²x + sec²x

= - tan²x + 1 + tan²x ← collect like terms

= 1

= right side, thus proven

Answer Link

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