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If sec 50 = cosec 70, prove that 0 = 7.5°​

If sec 50 = cosec 70, prove that 0 = 7.5°​
asked 69.0k views
22 votes
If sec 50 = cosec 70, prove that 0 = 7.5°​

asked
User Stephen Klancher
by
8.2k points

1 Answer

8 votes

Answer:

The proofing is given below:

Explanation:


Sec 5\theta = cosec 7\theta\\\\cosec (90 - 5\theta) = cosec 7\theta\\\\Now\ on\ comparision \\\\90 - 5\theta = 7\theta\\\\90 = 7\theta + 5\theta\\\\90 = 12\theta\\\\(90)/(12) = \theta\\\\0.75 = \theta

Hence, it is proved

If sec 50 = cosec 70, prove that 0 = 7.5°​-example-1
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User Ahamed Moosa
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