Question

find the exact values of each expression_cos20°sec20°​

Answer 1

Step-by-step explanation:

Verify a-(b) =(a+b) for the following values of a and b. (i) a=21,b = 18 (ii) a=118, b = 125 (iii) a= 75, b = 84 (iv) a = 75, b = 11.