Question

Show that sinA .cosA .tanA +cosA. sinA. CotA=1

Answer 1

Answer:

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Step-by-step explanation:

tanA = sinA/cosA                 cotA = cosA/sinA

∴ On substituting on the ques,

sinA .cosA .tanA + cosA. sinA. cotA = sin²A + cos²A

                                                           = 1

Answer 2

Answer:

Step-by-step explanation:

Split tan and cot in terms of sin and cos