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Mathematics
Prove that (sec θ + tan θ) (1 – sin θ) = cos θ
Chapter: [9] Introduction to Trigonometry
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Rehana went to a bank to withdraw ₹ 2000. She asked the cashier to give her ₹ 50 and ₹ 100 notes only. Rehana got 25 notes in all. Find how many notes of ₹ 50 and ₹ 100 did she received.
Chapter: [3] Pair of Linear Equations in Two Variables
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