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Janique

Questions (3)

Use DeMoivre's Theorem to find the indicated power of the following complex number(-6 + 6i)^4 Please help, i don't get this guys
1. 0 answers
2. 746 views
Solve the multiple angle equation in the interval (0, 2ð) tan2x=-1Do i have to divide the 2 to the other side?
1. 2 answers
2. 396 views
Express cos9x+cos5x as a product.Can you just multiply the 9 and 5 to get: cos45x ? is that a product?
1. 1 answer
2. 535 views