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cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?
cos x - sec x = 3/2 হলে, cos4x+sin4x = কত?