Trigonometric formulas

sin²x+cos²x=

• 1

• 0

• cscx

• csc^{2}x

sin 90° + cos 180° – 2 ⋅ tan 180° – cot 90°

• 1

• 0

• cost

• tanx

• -1

• 1

• 0

• \frac{\sqrt{2}}{2}

sin 90° – tan 180° + cot 270° – cos 180°

• 0

• 1

• 2

draw the graph of function y=sinx

Draw the graph of function tanx

arcsin 1

sin(x+y)

• [siny⋅cosx]+[cosy⋅sinx]

• [sinx⋅cosy]+[cosx⋅siny]

• [sinx⋅siny]+[cosx⋅cosy]

• [sinx⋅cosy]-[cosx⋅siny]