Question

Q18. If tan A = 1, then complete the following to find cos A. (í) 1 + tan ^2 A = ................. (ii) 1 + 1^2 = ................. (iii) .............. = √2 (iv) ............. = 1/√2. Write the answers in the correct order below.​

Answer 1

Answer:

if tanA=1 then A will be 45°

(i)sec ^2A

(ii)2

(iii)secA ,cosecA

(iv)cosA,sinA