Question

cost
sinn
The value of
is
Sinn
-cosn​

Answer 1

Answer:

COS=1/SEC AND SIN=1/COSEC.

SIN, COS, TAN,COT, SEC, COSEC ARE THE SIX TRIGONOMITRIC RATIOS THAT ARE USED IN TRIGONOMETRY. THROUGH UNDERSTANDING THESE RATIOS , THE RESPECTIVE LENGTHS OF AN ACUTE ANGLE TRIANGLE CAN BE FIND OUT.