Question

Tan a + cot b =5 then tan^2a + cot^2a

Answer 1

Correction in question - tan2a+cot2b

Answer:

Answer:23

Step-by-step explanation:

tana + cotb = 5

Squaring both sides

(tana + cotb)^2 = 5^2

tan2a + cot2b + 2tanacotb = 25

Tan2a + cot2b = 23

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