PDF chapter test TRY NOW
1. If sin \ \theta + cos \ \theta = p and sec \ \theta + cosec \ \theta = q, then prove that q(p^2 - 1) = 2p.
2. If a \ sin \ \theta + b \ cos \ \theta = c, then prove that a \ cos \ \theta - b \ sin \ \theta = \sqrt{a^2 + b^2 - c^2}.
Important!
This is a creative exercise. Your teacher will check it manually.
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