Question

$| {x}^{2} - 5x + 4| \div | {x}^{2} - 4 | \leqslant 1$
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Answer 1

Answer:

Why does Ravi use CFL bulbs and not incandescent bulbs? class 7

Answer 2

If tan ( 20°–3 Θ) = cot(5 Θ –20°), then find the value of Θ and

hence evaluate

sin Θ secΘ tanΘ – cosec Θ cos Θ cot Θ