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কোনটি সঠিক?
কোনটি সঠিক?
যদি 2θ = 30 ডিগ্রি হয়, তবে θ এর মান কত?
যদি 2θ = 30 ডিগ্রি হয়, তবে θ এর মান কত?
What is the value of $2\theta$ if $\theta = \frac{\pi}{6}$?
What is the value of $2\theta$ if $\theta = \frac{\pi}{6}$?
What is the value of $\sin^2\theta + \cos^2\theta$?
What is the value of $\sin^2\theta + \cos^2\theta$?
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What is the value of $\tan\theta$ if $\sin\theta = \frac{3}{5}$?
What is the value of $\tan\theta$ if $\sin\theta = \frac{3}{5}$?
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What is the value of $\cos 2\theta$ if $\sin\theta = \frac{1}{2}$?
What is the value of $\cos 2\theta$ if $\sin\theta = \frac{1}{2}$?
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What is the value of $\sin 2\theta$ if $\cos\theta = -\frac{1}{2}$?
What is the value of $\sin 2\theta$ if $\cos\theta = -\frac{1}{2}$?
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