If tan+cot=2 then what is tansquare+cotsquare=?
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Answered by
1
tanA + cotA = 2
squaring on both side, we get....
tan2A + cot2A + 2tanA cotA = 4
tan2A + cot2A + 2 = 4
tan2A + cot2A = 4 - 2
tan2A + cot2A = 2
HENCE PROVED.......
squaring on both side, we get....
tan2A + cot2A + 2tanA cotA = 4
tan2A + cot2A + 2 = 4
tan2A + cot2A = 4 - 2
tan2A + cot2A = 2
HENCE PROVED.......
Answered by
0
tan@+cot@=2
Squaring both sides we get
tan^2@+cot^2@+2=4
=>tan^2 @+ cot ^2 @=2..
Hence,2is correct answer
Squaring both sides we get
tan^2@+cot^2@+2=4
=>tan^2 @+ cot ^2 @=2..
Hence,2is correct answer
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