Question

7) Show that tan^2ø + cot^2ø ≥ 2 for all ø consists of Real no​

Answer 1

Step-by-step explanation:

tan²θ+cot²θ=(1+sec²θ)+(1+cosec²θ)

2+sec²θ+cosec²θ

so it will be always greater than 2

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