Question

Prove that (SinA+CosA)(1-SinACosA)=Sin^3A+Cos^3A​

Answer 1

Step-by-step explanation:

we know that,

• (a+b)^3=a^3+b^3+3ab(a+b)
• a^3+b^3=(a+b)^3-3ab(a+b)
• sin^3A+cos^A=(sinA+cosA)^3-3sinAcosA(sinA+cosA)

Hope you understand this answer

Answer 2

Answer:

Sin^3A+cos^3A= (sinA+cosA)(1- sinAcosA) ... or (sinA-cos^2 AsinA + cosA-sin^2 AcosA)/(sinA + cosA) ... of ant two points Q1 and Q2 are (x1,y1) and (x2,y2), respectively ...