Question

Is 5 feet and 5 upon x is equal to tan theta then find the value of 5 bracket 2 x square minus one upon x square?

Answer 1

Answer:

sec²θ - tan²θ = 1

=> (5x)² - (5/x)² = 1

=> 25x² - 25/x² = 1

=> 25 ( x² - 1/x² ) = 1

=> 5 x 5 ( x² - 1/x² ) = 1

=> 5 x ( x² - 1/x² ) = 1/5.

Answer 2

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