Prove that, ( tanx + cotx)²=sec⁴xcot²x
lossine43:
Please explain in detail friend.
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hey friend
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L.H.S = ( tanx + cotx )²
= tan²x + 2tanx.cotx + cot²x
= tan²x + 2(1) + cot²x
= 1 + tan²x + 1 + cot²x
= sec⁴x + cosec⁴x
≠ sec⁴x.cot²x
hope it helps you
_____________________________
L.H.S = ( tanx + cotx )²
= tan²x + 2tanx.cotx + cot²x
= tan²x + 2(1) + cot²x
= 1 + tan²x + 1 + cot²x
= sec⁴x + cosec⁴x
≠ sec⁴x.cot²x
hope it helps you
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