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Find the altitude and base of an isoscel...

Find the altitude and base of an isosceles triangle whose vertical angle is `65^(@)` and whose equal sides are 415 cm :

A

350cm, 646cm

B

350cm, 446cm

C

630cm, 445cm

D

none of these

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The correct Answer is:
B
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QUANTUM CAT-TRIGONOMETRY-QUESTION BANK
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  4. If 5sin^(2)theta+3cos^(2)theta=4. Find the value of sin theta and cos ...

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  5. solve the following expression sqrt((1-costheta)/(1+costheta))+sqrt((1...

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  6. If tan theta=(a)/(b), find the value of (a sin theta-b cos theta)/(asi...

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  7. For the every theta,0ltthetale90, find the values of the following ang...

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  8. For the every theta,0ltthetale90, find the values of the following ang...

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  9. For the every theta,0ltthetale90, find the values of the following ang...

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  10. If A+B=45^(@), find the valueof tanA+tanB+tanA tanB:

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  11. Find the value of sin75^@

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  12. solve the following expression cos32^@ cdot cos28^@-sin32^@ cdot sin28...

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  13. If cosA=(3)/(5) and sinB=(5)/(13), find the value of (tanA+tanB)/(1-t...

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  14. Find the value of sin^(2)(120^(@)-A)+sin^(2)A+sin^(2)(120^(@)+A):

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  15. If cos(alpha+beta)=(4)/(5) and sin(alpha-beta)=(5)/(13) and alpha, bet...

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  16. Find the maximum and minimum values of 8costheta+15sintheta:

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  17. Find the valueof 2cos45^(@).cos15^(@):

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  18. Find the value of (sin75^(@)+sin15^(@))/(cos75^(@)+cos15^(@)) :

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  19. Find the value of cos20^(@)+cos100^(@)+cos140^(@):

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  20. cos20^(@).cos40^(@).cos60^(@).cos80^(@) is :

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