Question

If cos????=5/13, find the value of sin²????-cos²????/2sin????cos????*1/tan²????

Answer 1

Answer:

LET SEE ...........SAGAR VERMA ........IS HERE .........

Step-by-step explanation:

If Cos Θ  = 5 /13  .Find the Value of  Sin^ 2 Θ − Cos^ 2 Θ/ 2 Sin Θ Cos  Θ    =   3 /5

(Concept: Trigonometric Ratios of an Acute Angle of a Right-angled Triangle.)