Evaluate sec θ cosec (90-θ)-tanθ cot (90-θ)+sin2 55+sin2 35 divded by tan 10 tan 20tan 60 tan 70 tan 80
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solve numerator by formula
cosec 90-@=sec@
cot90-@=tan @then you got on solving whole numerator is 2 now solve denominator value of tanyp is root 3 and on solving whole den... you find denomin....=root3 now answer is
2/root3
cosec 90-@=sec@
cot90-@=tan @then you got on solving whole numerator is 2 now solve denominator value of tanyp is root 3 and on solving whole den... you find denomin....=root3 now answer is
2/root3
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