Csc a - sin a = cos a cot a
1/sin a - sin a = cos a (cos a / sin a)
(1 - sin^2 a)/sin a = cos^2 a/sin a
cos^2 a/sin a = cos^2 a/sin a
Therefore, the given equation is an identity.
I think 30 because I did all the equation and I got 30
Answer:
The 1st and 4th statements are true.
Answer:
3/2
Step-by-step explanation:
3/4 * 2 = 6/4 = 3/2
That's the diagram..
(12×3) + 3(0.67×7) = 50.07inches²
≈ 50inches²
hope this helps
make it the brainliest if it's correct....