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If cos theta=-4/5, find the value of cot...

If `cos theta=-4/5`, find the value of `cot theta`?

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To find the value of \( \cot \theta \) given that \( \cos \theta = -\frac{4}{5} \), we can follow these steps: ### Step 1: Identify the values of \( \cos \theta \) Given: \[ \cos \theta = -\frac{4}{5} \] This indicates that the angle \( \theta \) is in either the second or third quadrant, where cosine is negative. ...
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MAHAVEER PUBLICATION-TRIGONOMETRIC RATIOS-QUESTION BANK
  1. If cos theta= 3/5 what is tan theta and cos ectheta?

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  2. If tan theta= 5/4 what is sin theta and cos theta?

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  3. If cos theta=-4/5, find the value of cot theta?

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  4. Given tan theta=-3/4 and (3pi)/2 lt theta lt 2pi, find the other trigo...

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  5. If tan (A+B)=p, tan(A-B)=q find tan 2A.

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  6. If tantheta=a/b , show that (asintheta-bcostheta)/(asintheta+bcostheta...

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  7. Evaluate the following: sin 78^@ cos 18^@-cos 78^@ sin 18^@

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  8. Evaluate the following: cos 47^@ cos 13^@-sin 47^@ sin 13^@

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  9. Find the value of the following trigonometric functions: sin 765^@

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  10. Find the value of the following trigonometric functions:cos(-1410^@)

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  11. Find the value of the following trigonometric functions:sin(-(11pi)/3)

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  12. Find the value of the following trigonometric functions:cot(-(15pi)/4)

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  13. Find the value of the following trigonometric functions:cos(-(31pi)/3)

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  14. Find the value of the following trigonometric functions:sin 570^@

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  15. Find the value of the following trigonometric functions:tan(-1125^@)

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  16. Find the value of the following trigonometric functions:sin 1110^@

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  17. Find the value of the following trigonometric functions:sin 660^@

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  18. Find the value of the following trigonometric functions: cos(-225^@)

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  19. Show that sin^2 20^@+sin^2 70^@=1

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  20. Show that sin^2 49^@+sin^2 41^@=1

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