Question Simplify the expression −Zh625πicos Evaluate cos×25π÷6ZhiMultiply the terms More Steps Multiply the terms cos×25πUse the commutative property to reorder the terms 25cosπMultiply the numbers 25πcos 25πcos÷6ZhiMultiply the numbers 25πcos÷6iZhRewrite the expression 6iZh25πcosDivide the terms More Steps Evaluate 6i25πMultiply by the Conjugate 6i×i25πiCalculate More Steps Evaluate 6i×iMultiply 6i2Use i2=−1 to transform the expression 6(−1)Calculate −6 −625πiUse b−a=−ba=−ba to rewrite the fraction −625πiReduce the fraction −625πi Zh−625πicosSolution −Zh625πicos Show Solution Find the excluded values Z=0,h=0 Evaluate cos×25π÷6ZhiTo find the excluded values,set the denominators equal to 0 Zh=0Separate the equation into 2 possible cases Z=0h=0Solution Z=0,h=0 Show Solution
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix