ziyaalya35 ziyaalya35

09-08-2021
Mathematics

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prove that tan² theta + cot² theta = sec² theta cosec² theta- 2

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mohammedmutasim26 mohammedmutasim26

09-08-2021

Step-by-step explanation:

Tan² theta = sec² theta - 1

Cot² theta = cosec² theta - 1

Tan²+Cot² = sec²-1+cosec²-1

= sec²+cosec²-2

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