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If 117 Cos^2 A+129 Sin^2 A=120 and 170 C...

If `117 Cos^2 A+129 Sin^2 A=120` and `170 Cos^2 B+158 Sin^2 B=161`, then the value of `Cosec^2 A Sec^2 B` is:
यदि `117 Cos^2 A+129 Sin^2 A=120` तथा `170 Cos^2 B+158 Sin^2 B=161`, है, तो `Cosec^2 A Sec^2 B` का मान क्या होगा ?

A

1

B

9

C

4

D

16

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  5. If ((1+sin theta-cos theta))/((1+sin theta+cos theta))+((1+sin theta+c...

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  16. If sin theta-cos theta=7/17, then find the value of sin theta+cos thet...

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