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Standard XII
Mathematics
Trigonometric Ratios of Compound Angles
11. If cos th...
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11. If cos thita - sin thita=2 sin thita, then the value of cos thita +sin thita- 2 cos thita is?
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Q.
1+cos thita - sin thita/ cos thita -1+ sin thita = cosec thita + cot thita
Q.
The value of cos thita cos(90- thita) minus sin thita sin(90- thita) is:
A) 1
B) 0
C) 2
D) -1
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