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The radii of the two circles are 19 cm a...

The radii of the two circles are 19 cm and 9 cm respectively. Find the radius of the circle which has a circumference equal to the sum of the circumferences of the two circles.

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  3. The radii of the two circles are 19 cm and 9 cm respectively. Find the...

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  14. If 5 cos theta+ 12 sin theta = 13 show that tan theta = 12/5.

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  15. Solve: 4sqrt3 cos^2 theta-4 sin theta +sqrt3 = 0[0^@lethetale90^@]

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  16. Solve: 2 cos theta+ 2sqrt2 = 3 sec theta

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  17. Solve: 4 cos theta +3 sec theta = 4sqrt3

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  18. Show that -1lecos thetale1.

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  19. If cos theta+sin theta = sqrt2 cos theta, then show cos theta-sin thet...

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