Math, asked by kritilohani53, 5 months ago

tan^2a-cot^2a = sec^2(1-cot^2)

Answers

Answered by dryash1009

2

Step-by-step explanation:

tan² a - cot² a

= sin/cos - cos/sin

= sin² - cos²

= sin² - 1/sec²

= sin²×sec² - 1 / sec²

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