Trig Yr2 Flashcards
What is one radian?
The movement of one radian’s worth around the circumference of the circle
Memorise
How do trig laws change for π?
What is the formula for arc length in radians ?
L = r θ
What does subtended mean?
Opposite or extended beneath
What is the area of a sector in radians?
What is the area of a segment in radians? (Formula)
What is the small angle approximation for sin, cos and tan? (Formula)
What is sec (x)?
What is cosec (x)?
What is cot(x)?
What 2 new identities are formed by the OG identity sin^2 (x) + cos^2 (x) =1?
Draw the y=cosec(x) graph
Draw the y=sec(x) graph
Draw the graph of y=cot(x)
What is the quotient rule?
What is the reciprocal identity regarding tan and sec?
What is the reciprocal identity regarding cot and cosec?
Draw sin and arcsin between -π/2 and π/2, stating range and domain for each
Draw cos and arccos between -π/2 and π/2, stating range and domain for each
Draw tan and arctan between -π/2 and π/2, stating range and domain for each