Q5 of 113 Page 584

If , find the value of .

Given: sin x = and 0< x< i.e, x lies in Quadrant I and all the trignometric ratios are positive in quadrant I.


To Find: tan


Formula used:


tan =


Now, cos x = (cos x is positive in I quadrant)


cos x = =


Since, tan =


Hence, tan


More from this chapter

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3

If lies in Quadrant IV, find the values of

(i) (ii)


(iii)


4

If lies in Quadrant I, find the values of

(i) sin x


(ii) cos x


(iii) cot x


 6

Prove that


 7

Prove that