find the value of sin^3A+cos^3A is
answer : (sinA - cosA) (-1 - 2sin2A)
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cannot explain please clarify it
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Answer:
(sinA+cosA)(1-cosAsinA)
Step-by-step explanation:
L.H.S=sin^3A+cos^3A
according to the formula a³+b³=(a+b)(a²+b²-ab)
(sinA+cosA)(sin²A+cos²A-cosAsinA) //sin²A+cos²A=1
(sinA+cosA)(1-cosAsinA) is the answer.
please check your question.
kumarashish2846:
Question is right
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