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Two buildings are in front of each other...

Two buildings are in front of each other on either side of a road of width 10 metres. From the top of the first building which is 30 metres high, the angle of elevation to the top of the second is `45^(@)`. What is the height of the second building?

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The correct Answer is:
40m
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UNIQUE PUBLICATION-TRIGONOMETRY-UNIQUE PRACTICE SESSION
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  3. त्रिकोणमितीय सर्वसमिकाओं को सिद्ध करो : (1)/(cosec A- cot A )-(1)/(s...

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  4. Prove that sqrt((1+sintheta)/(1-sintheta))=sectheta+tantheta

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  11. Prove that (1+tan theta )^2 + (1+cot theta)^2 = (sec theta + cosec t...

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  12. Prove that (1 + 1/(tan^2A)) (1 + 1/(cot^2A)) = 1/(sin^2 A - sin^4 A )

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  13. Prove that: (sectheta-1)/(sectheta+1)=((sintheta)/(1+costheta))^2

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  15. If 5 sin theta - 12 cos theta = 0 , find the values of sec theta and c...

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  17. Eliminate theta if x=a cot theta -b cosec theta and y=acot theta+b cos...

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  18. If cos theta=(sqrt(3))/2 then find the value of (1-sec theta)/(1+cosec...

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