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The length of a string between a kite an...

The length of a string between a kite and a point on the ground is 90 metres. If the string makes an angle `theta` with the ground level such that `tantheta=(15)/8,` how high is the kite? Assume that there is no slack in the string.

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The correct Answer is:
` 79.4 m `
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ICSE-CHAPTER REVISION (STAGE 2) -TRIGONOMETRY
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  2. If cot ^(2) A - 3 =0 find : cos 3A

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  3. The length of a string between a kite and a point on the ground is 90 ...

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  9. Evaluate cos 40 ^(@) cosec 50 ^(@)+ sin 50 ^(@) sec 40 ^(@)

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  10. Evaluate sin 27 ^(@) sin 63 ^(@) - cos 63^(@) cos 27 ^(@)

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  11. Evaluate : 3(sin 72^(@))/(cos 18^(@))-(sec 32^(@))/(cosec 58^(@))

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  13. Evaluate : (cos 75^(@))/ (sin 15^(@)) + (sin 12^(@))/ (cos 78^(@)) -...

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  14. Prove that : sec ^(2) (90 ^(@) - theta) - (1)/(cot ^(2) ( 90 ^(...

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  17. If cot A = (12)/(5) , verify tan ^(2) A - sin ^(2) A = sin ^(4) ...

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  18. In a right triangle ABC, right angled at B . The ratio of AB to AC = ...

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  19. If cot theta = (3)/(4) find the value of : ( sin theta- cos theta...

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  20. If cosec A = sqrt3 , find the value of: (2 sin ^(2)A + 3 cot ^(2)...

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