Chapter 6- Trigonometry (Pure Maths) Flashcards
1
Q
what’s SOHCAHTOA used for?
A
SOHCAHTOA is used for right angle triangles
2
Q
what’s the sine rule?
A
the sine rule is
a/sinA = b/sinB = c/sin C
3
Q
what’s the area of a triangle equation?
A
area of a triangle
area= 1/2 ab sin c
or 1/2 base X height
4
Q
whats the Cosine rule?
A
the cosine rule is
a²= b²+ c² - 2bc cos A
5
Q
what are the two trig identities?
A
tan θ = sin θ / cos θ
and
sin²θ + cos²θ = 1
6
Q
what does sin graph look like? whats its period?
A
7
Q
what does a cos graph look like? whats its period?
A
8
Q
what does a tan graph look like? whats its period?
A
9
Q
whats a cast diagram?
A
