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Identity Question Worksheet Fundamental Content: Understand and be able to use two identities: 2 + 2 =1 = Understand and know the shapes of the graphs: = =

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Page 1: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =

Identity Question Worksheet

Fundamental Content:

Understand and be able to use two identities:

𝑠𝑖𝑛2𝜃 + 𝑐𝑜𝑠2𝜃 = 1

𝑡𝑎𝑛𝜃 = 𝑠𝑖𝑛𝜃

𝑐𝑜𝑠𝜃

Understand and know the shapes of the graphs:

𝑦 = 𝑠𝑖𝑛𝜃

𝑦 = 𝑐𝑜𝑠𝜃

Page 2: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =

𝑦 = 𝑡𝑎𝑛𝜃

Example Exam Questions:

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Page 3: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =

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Page 4: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =

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Page 5: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =

Answers:

Page 6: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =
Page 7: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =
Page 8: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =
Page 9: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =
Page 10: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =
Page 11: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =
Page 12: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =
Page 13: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =
Page 14: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =
Page 15: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =
Page 16: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =
Page 17: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =
Page 18: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =
Page 19: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =
Page 20: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =
Page 21: Identity Question Worksheet · (i) Show that 3 sin x tan x — cos x + 1 = 0 can be written as a quadratic equation in cosx and hence solve the equation 3 sinxtanx — cosx + 1 =

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