Solve : cot^4 A - cosec^4 A+ cot^2 A + cosec ^2 A
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Answer:
2cot2A
Step-by-step explanation:
(cot2 A + cosec2 A)(cot2 A - cosec2 A) + (cot2 A + cosec2 A)
(cot2 A + cosec2 A)[(cot2 A - cosec2 A) + 1]
cot2A + cot2A = 2 cot2A
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Answer:
Refer to given attachment for the answer!!! ^_^ hope it helps....thnkuh ^_^ nd yeah help others too in need ^_^
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