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Evaluate: cos60^0 cos30^0− sin60^0 sin30^0
+3
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asked
Sep 3, 2018
in
Class 12
by
kratos
Evaluate:
cos600 cos300− sin600 sin300
trigonometry
determinants
class-10
t- ratios of angles
class-12
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1
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+4
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answered
Apr 1, 2021
by
kratos
Best answer
On substituting the values of various T-ratios, we get:
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