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15. Trigonometric, or Circular, Functions
Home · Class 11 · Maths · Ref. Book · 15. Trigonometric, or Circular, Functions
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Q8 of 113 Page 575

Prove that


To Prove:

Taking LHS,





[∵ sin 2x = 2 sinx cosx]


[∵ 1 + cos 2x = 2 cos2x]



= tan x


= RHS


∴ LHS = RHS


Hence Proved


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Prove that

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Questions · 113
15. Trigonometric, or Circular, Functions
1 2 3 4 5 6 7 8 A 8 B 8 C 8 D 8 E 8 F 9 9 9 9 9 9 10 10 B 10 C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 A 27 B 27 1 A 1 1 C 2 A 2 2 3 A 3 3 4 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 A 18 18 C 18 D 19 A 19 B 20 21 1 2 3 4 5 6 7 8 9 10
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