If 3SInA-2CosA=0 , find 1) cot^2 a- cosec^2 a. 2) cos a+sina / sina - cos a
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Answered by
1
Answer:
1) 2
2)-5
Step-by-step explanation:
1)3Sina - 2cosa=0
3sina=2cosa
sina/cosa=2/3
tana=sina/cosa=2/3
cota= 1/tana
cot^2a=9/4
sina=2
cosec^a=1/sin^a=1/4
(9/4)-(1/4)=2
2)cosa=3
(3+2)/(2-3)=-5
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0
Answer:
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