(tanB+secB)(1-sinB)=cosB- prove

Let r = 3. what is the value of r + 58?

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39