(cosec theta - cot theta)^2 = 1-cos theta/1+cos theta
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Answer:
Step-by-step explanation:
(cotθ-cosecθ)²
=cot²θ-2cotθcosecθ+cosec²θ
=cos²θ/sin²θ-2(cosθ/sinθ)(1/sinθ)+1/sin²θ
=cos²θ/sin²θ-2cosθ/sin²θ+1/sin²θ
=(cos²θ-2cosθ+1)/sin²θ
=(1-cosθ)²/(1-cos²θ)
=(1-cosθ)²/(1+cosθ)(1-cosθ)
=(1-cosθ)/(1+cosθ)
sanviXIV:
not cot yheta -cosec theta
i will edit
hmm
hey i wont becoz u will get same answer
yeah its alright
: )
:)
which class question
10 th
ok
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