Buktikan sec(a+b) = (seca.cosecb) /(cotb-tana)

Saluranedukasion 2024-04-04T11:46:43.000Z

Buktikan sec(a+b) = (seca.cosecb) /(cotb-tana)
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Buktikan sec(a+b) = (seca.cosecb) /(cotb-tana)