PDF chapter test TRY NOW
1. Simplify \((1 + tan^2 \ \theta)(1 - sin \ \theta)(1 + sin \ \theta)\).
Answer:
\((1 + tan^2 \ \theta)(1 - sin \ \theta)(1 + sin \ \theta) =\)
2. If \(2 sin^2 \ \theta - cos^2 \ \theta = 2\), then find the value of \(\theta\).
Answer:
\(\theta =\)
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