Millionaire Mode

Trigonometric functions - class-XI

Question 1 of 20

If $\tan 4x+\tan 5x-\tan 9x=k\tan 4x\tan 5x\tan 9x$ then $k=$

  1. $1$
  2. $-1$
  3. $ \pm 1$
  4. $2$

Prize Money

15₹7 Crores
14₹1 Crore
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12₹25,00,000
11₹12,50,000
10₹6,40,000
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8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000