ansewer this pleas
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
Step-by-step explanation:
BY USING
[(a+b)³=a³+b³+3ab(a+b)]
a=sinθ
b=cosθ
sin³θ+cos³θ/sinθ+cosθ=(sinθ+cosθ)³-3sinθ*cosθ(sinθ+cosθ)/sinθ+cosθ
sinθ+cosθ[(sinθ+cosθ)²-3sinθ*cosθ]/sinθ+cosθ
sin²θ+2cosθsinθ+cos²θ-3sinθ*cosθ
1-sinθ*cosθ=R.H.S
PROVED
Answer:
idk
Step-by-step explanation:
idk