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Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal

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Page 1: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal
Page 2: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal
Page 3: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal
Page 4: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal
Page 5: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal
Page 6: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal
Page 7: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal
Page 8: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal
Page 9: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal
Page 10: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal
Page 11: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal
Page 12: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal
Page 13: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal
Page 14: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal
Page 15: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal
Page 16: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal
Page 17: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal
Page 18: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal

DPP - 11

Trigonometry

Page 19: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal

1. Prove that : cos4A - sin4 A + 1 = 2 cos2 A.

Page 20: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal

2. Prove that : (sin A + cos A) (1 - sin A cos A) = sin3 A + cos2A.

Page 21: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal

3. Prove that : cosec A. sinA 1+cosA

+ = 21+cosA sin

Page 22: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal

4. Prove that : 2cosecA cosecA

+ = 2sec A.cosecA-1 cosecA +1

Page 23: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal

secA- tanA

secA +tanA5. Prove that : 1 - 2 sec A tan A + 2 tan2A .

Page 24: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal

6. Prove that : cotA+tanB

= cot A tan B.cotB+tanA

Page 25: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal

7. Prove that : 1 1 1 1

- = -cosecA-cotA sinA sinA cosecA +cotA

Page 26: Q. sin x cos x If (A) tan2x = ? (c) tan2x = A 1 — , is equal to cos x 27 cos x 27 125 125 sin (B) sin (D) x x Q. sin230t - sin3u If a = , then the value of sin 16(1 + sin4a equal

8. Prove that : . tanA+secA-1 1+sinA

=tanA-secA+1 cosA


Simplify cos (sin −1 x ) and tan(sin −1 x )

Simplify cos (sin −1 x ) and tan(sin −1 x )

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