Answer:
Step-by-step explanation:
we take the LHS so here goes,
since , 
the identity becomes,
now, we know,
and 
the identity becomes,
sin A and cos A cancel out it becomes zero
Splitting the denominator the identity becomes
Hence,
Answer: I’m pretty sure it’s 5
Step-by-step explanation:
Answer:
The Pythagorean Theorem in a^2 + b ^2 = c^2
It is used to solve for one side of a right triangle (any triangle where one angle is 90 degrees). Most of the times it is used to solve for the hypotenuse, which is represented by c. A and B represent the other sides of the triangle.
A^2 + b^2 = c^2.....a and b are ur legs and c is ur hypotenuse
5^2 + b^2 = 10^2
25 + b^2 = 100
b^2 = 100 - 25
b^2 = 75...now take the square root of both sides...this gets rid of the ^2 on the left side.
b = sq rt 75
b = 8.66 <===measure of aq
*** the pythagorean theorem (a^2 + b^2 = c^2) can only be used on right triangles
