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If 3sin A + 4 cos A = 5, then find the v...

If `3sin A + 4 cos A = 5`, then find the value of `4 sin theta - 3 cos theta`.

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The correct Answer is:
`4 sin theta - 3cos theta = 0`
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SRISIRI PUBLICATION-IPE SCANNER (TEXUAL BITS)-Very Short Questions (2 marks) (Trigonometric Ratios, Transformations)
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  2. If 3sin A + 5 cos A = 5, then show that 5 sin A - 3 cos A = +- 3.

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  3. If 3sin A + 4 cos A = 5, then find the value of 4 sin theta - 3 cos th...

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  5. Find the value of sin 330^(@) .cos 120^(@) + cos 210^(@) . Sin 300^(@)...

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  6. Simplify cos 100^(@) cos 40^(@) + sin 100^(@) sin 40^(@).

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  7. Show that sin 750 ^(@) cos 480^(@) + cos 120 ^(@) cos 60 ^(@)=-1/2

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  8. Prove that sin 780^(@) sin 480^(@)+cos240^(@). Cos300^(@) = 1/2

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  9. Find the value of tan56^(@)-tan11^(@)-tan56^(@).tan11^(@).

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  11. Prove that tan72^(@)=tan18^(@)+2tan54^(@).

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  12. Show that cos 35^(@) + cos 85^(@) + cos 155^(@) = 0

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  13. If tan theta = (cos 11^(@)+sin11^(@))/(cos11^(@)-sin11^(@)) and theta ...

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  14. Prove that sin^(2)24^(@)-sin^(2)6^(@)

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  15. Find the value of sin^(2)42^(@)-sin^(2)12^(@).

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  16. Find the value of sin^(2)82 1/2-sin^(2)22 1/2.

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  17. Prove that sin^(2)52 1/2-sin^(2)22 1/2.

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  20. Find the value of cos^(2)72^(@) - sin^(2) 54^(@).

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