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Evaluate without using trigonometric tab...

Evaluate without using trigonometric tables :
`"cos"^(2) 26^(@)+"cos" 64^(@)"sin" 26^(@)+("tan" 36^(@))/("cot" 54^(@))`

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ICSE-MATHEMATICS-2012-SECTION-B
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  2. In the given figure, AB is the diameter of a circle with centre O. ...

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  3. In the given figure, AB is the diameter of a circle with centre O. ...

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  5. Given [{:(,2,1),(,-3,4):}]. X=[{:(,7),(,6):}]. Write : (i) the order...

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  6. A page from the Saving Bank Account of Mr. Prateek is given below : ...

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  7. The printed price of an article is Rs 60,000. The wholsaler allows a d...

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  8. Solve the following inequation and represent the solution set on the n...

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  9. Without solving the following quadratic equation, find the value of 'm...

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  10. A hollow sphere of internal and external radii 6 cm and 8 cm respectiv...

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  11. Solve the following equation and give your answer correct to 3 signifi...

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  12. As observed from the top of a 80 m tall lighthouse, the angle of dep...

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  13. A man invests Rs 9600 on 100 shares at Rs 80. If the company pays him...

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  14. A man invests Rs 9600 on Rs 100 shares at Rs 80. If the company pays ...

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  15. A man invests Rs 9600 on Rs 100 shares at Rs 80. If the company pays ...

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  16. In the given figure DeltaABCandDeltaAMP are right angled at B and M re...

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  17. In the given figure, DeltaABC and DeltaAMP are right angled at B and ...

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  18. If x=(sqrt(a+1)+sqrt(a-1))/(sqrt(a+1)-sqrt(a-1)), using properties of ...

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  19. The line through A (-2, 3) and B (4, b) is perpendicular to the line 2...

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  20. Prove that ("tan"^(2)theta)/(("sec"theta-1)^(2))=(1+"cos"theta)/(1-"co...

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  21. A car covers a distance of 400 km at a certain speed. Had the speed be...

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