sin and cos formulas class 11
Answers
Answered by
1
Step-by-step explanation:
sin A = opposite/hypotenuse = a/c.
cos A = adjacent/hypotenuse = b/c.
Hope it helps you
Answered by
3
Answer:
sin(π/2-A) = cos A.
cos(π/2-A) = sin A.
sin(π-A) = sin A.
cos(π-A) = -cos A.
sin(π+A)=-sin A.
cos(π+A)=-cos A.
sin(2π-A) = -sin A.
cos(2π-A) = cos A.
Similar questions