Question

prove the following
tan
${tan}^{2} a - {tan}^{2} = sin ( a + b) \times sin(a - b)by {cos}^{2} a \times {cos}^{2} b$
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Answer 1

Answer:

Book@my@tab@customer@care@number@7602472247//7602750243

Step-by-step explanation:

Book@my@tab@customer@care@number@7602472247//7602750243