যদি a cosθ – b sinθ = c হয়, তাহলে a sinθ + b cosθ এর মান নির্ণয় করুন।

1
\(\sqrt{a^2 + b^2 + c^2}\)
2
± \(\sqrt{a^2 + b^2 - c^2}\)
3
​​​​\(\sqrt{b^2 + c^2 - a^2}\)
4
± \(\sqrt{a^2 + c^2 - b^2}\)

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