if 3 cos a =1, then find the value of cosec a× sec
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Step-by-step explanation:
3 cos a=1
cos a =1/3
sec a = 1/cos a= 3
sin a= root(1-cos^2 a)
sina =root (1-1/9)
sin a=root (8/9)
cosec a=1/root8/9
cosec a × sec a= 3/ root (8/9)
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