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ICSE-COMPLEMENTARY ANGLES-EXERCISE
- Evaluate: (cos22^(@))/(sin68^(@))
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- Evaluate: (tan 47^(@))/(cot 43^(@))
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- Evaluate: (sec 75^(@))/(cosec 15^(@))
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- Evaluate: (cos 55^(@))/(sin 35^(@))+(cot 35^(@))/(tan 55^(@))
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- Evaluate: sin^(2)40^(@)-cos^(2)50^(@)
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- Evaluate: sec^(2)18^(@)-cosec^(2)72^(@)
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- Evaluate: sin 15^(@)cos 15^(@)-cos 75^(@)sin75^(@)
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- Evaluate: sin 42^(@)sin 48^(@)-cos 42^(@)cos 48^(@)
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- Evaluate: sin(90^(@)-A)sinA-cos(90^(@)-A)cosA
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- Evaluate: sin^(2)35^(@)-cos^(2)55^(@)
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- Evaluate: (cot 54^(@))/(tan 36^(@))+(tan 20^(@))/(cot 70^(@))-2
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- Evaluate: (2 tan 54^(@))/(cot 36^(@))-(cot80^(@))/(tan 10^(@))
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- Evaluate: cos^(2)25^(@)-sin^(2)65^(@)-tan^(2)45^(@)
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- Evaluate: ((sin 77^(@))/(cos 13^(@)))^(2)+((cos 77^(@))/(sin 13^(@))...
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- Show that: tan 10^(@)tan 15^(@) tan 75^(@)tan 80^(@)=1
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- Show that: sin 42^(@)sec 48^(@)+cos 42^(@)cosec 48^(@)=2
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- Express the following in terms of angles between 0^(@) and 45^(@) si...
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- Express the following in terms of angles between 0^(@) and 45^(@) co...
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- Express the following in terms of angles between 0^(@) and 45^(@) co...
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- For triangle ABC, show that "sin"(A+B)/2="cos"C/2
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