PDF chapter test TRY NOW
1. If \(2 sin \ 2 \theta = \sqrt{3}\), then the value of \(\theta\) is .
2. The value of \(3 \ sin 70° \ sec 20° + 2 sin 49° \ sec 51°\) is .
3. The value of \(\frac{1 - tan^2 \ 45°}{1 + tan^2 \ 45°}\) is
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