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From the Masthead of a ship, the angle o...

From the Masthead of a ship, the angle of Depression of boat is `60^@`, If the mast head is 150 m long , then the distance of the boat from the ship is :

A

86.6m

B

68.6m

C

66.8m

D

none

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The correct Answer is:
A
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QUANTUM CAT-TRIGONOMETRY-QUESTION BANK
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  2. If we convert sin(-566^(@)) to same trigonometrical ratio of a positiv...

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  3. From the Masthead of a ship, the angle of Depression of boat is 60^@, ...

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  4. some portion of a 30m long tree is broken by tornado and the top struc...

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  5. Two posts are 25 m and 15 m high and the line joining their tips makes...

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  6. The angle of elevation of the top of a tower at a point G on the groun...

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  7. If x=sectheta-tantheta, y=sectheta+tantheta, then the relation between...

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  8. The value of theta for which sqrt3costheta+sintheta=1 is:

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  9. If cottheta=3/4, then the value of sqrt((1+costheta)/(1-costheta)) is:

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  10. If the arcs of the same length in two circles subtend angles of 60^(@)...

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  11. In the third quadrant, the values of sintheta and costheta are:

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  12. The value of (cot50^@)/(tan40^@)-1/2 cos55^@/sin35^@ is:

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  13. The value of theta(0 lt a lt pi/2) satisfying the equation sin^2theta...

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  14. If costheta=4/5 and 0ltthetalt90^@, then the value of (3costheta+2cose...

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  15. Maximum value of (cos theta-sin theta) is :

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  16. find the value of sin105^@

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  17. If cottheta=1/p, then sin2theta is equal to

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  18. If tan theta=sqrt2, then the value of theta is :

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  19. If tan theta=2-sqrt3, then tan(90-theta) is equal to :

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  20. If from point 100 m above the ground the angles of depression of two o...

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