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If `(cos^2 theta)/(cot^2 theta-cos^2 theta)=3, 0^@< theta<90^@`, then the value of `cot theta + cosec theta` is:
यदि `(cos^2 theta)/(cot^2 theta-cos^2 theta)=3, 0^@< theta<90^@` है, तो `cot theta + cosec theta` का मान ज्ञात करें |

A

`60^@`

B

`45^@`

C

`50^@`

D

`30^@`

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(1 - cos^(2)theta)cot^(2)theta

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cos2 theta+3cos theta=0

3(cot^2 theta-cos^2 theta)= cos^2 theta, theta^@ यदि 3(cot^2 theta-cos^2 theta)= cos^2 theta, theta^@< theta<90^@ है, तो (tan^2 theta+ cosec^2 theta+sin^2 theta) का मान हैः

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If cos^2 theta-3 cos theta+2=sin^2 theta , 0^@ यदि cos^2 theta-3 cos theta+2=sin^2 theta , 0^@< theta< 90^@ , है, तो 2 cosec theta+4 cot theta का मान क्या होगा ?

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