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BEYOND PUBLICATION-TRIGONOMETRY-EXERCISE
- Is it right to say that cos(A + B) = cos A + cos B. Justify your answe...
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- In a right angled triangle ABC, right angled at B, angle ACB = theta, ...
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- In a right angled triangle ABC, right angled at C, if tan A = 1, then ...
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- Evaluate: sin 24 / cos 66
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- Evaluate: cos 18 / sin 72
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- Evaluate: sin 35 / cos 55
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- Evaluate: tan 10 / cot 80
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- Evaluate: sec 21 / cosec 69
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- cos 15^(@) - cos 75^(@)=
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- cosec 23^@ - sec 67^@
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- sec 70^@.sin 20^@ - cos70^@.cosec 20^@
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- tan 22^@ - tan 68^@
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- If sec 4A = cosec(A - 20^@), where 4A is an acute angle, find the valu...
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- Express: sin 67^@ + cos 75^@ in terms of angles between 0^@ and 45^@.
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- Express: sec 76^@ + cosec 52^@ in terms of angles between 0^@ and 45^@...
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- Express: tan 65^@ + cot 49^@ in terms of angles between 0^@ and 45^@
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- If A , B and C are interior angles of triangle ABC ,then show that sin...
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- If A , B and C are interior angles of triangle ABC ,then show that sin...
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- If tan theta + cot theta = 2, find the value of tan^2 theta + cot^2 th...
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- Show that (cot A + tan B)/(cot B + tan A) = cot A. tan B.
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