Cosec theta -cot theta =2, find cos theta
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hi
i think
it is right....
i think
it is right....
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kukku1234:
sry but i think it was wrong
bcos cot theta=cos thete/sin theta
so it was wrong
ya
do it crrct
Answered by
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cosecA-cotA=2
1/sinA-cosA/sinA=2
1-cosA/sin=2
{1-cosA/sinA}2=(2)^2
(1)^2+cos^2A-2cosA/sin^2A=4
1+cos^2A-2cosA/sin^2A=4
sin^2A-2cosA/sin^2A=4
2cosA=4
cosA=4/2
cosA=2
hope it is correct!If it was wrong then correct me☺
1/sinA-cosA/sinA=2
1-cosA/sin=2
{1-cosA/sinA}2=(2)^2
(1)^2+cos^2A-2cosA/sin^2A=4
1+cos^2A-2cosA/sin^2A=4
sin^2A-2cosA/sin^2A=4
2cosA=4
cosA=4/2
cosA=2
hope it is correct!If it was wrong then correct me☺
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