Question

3. अगर /3tanA=1 है तो cos2A का
मान ज्ञात करो।​

Answer 1

Answer:

4/5

Step-by-step explanation:

3tanA =1,or,tanA=1/3. coa2A=1-(tanA)2/1+(tanA)2 or,cos2A=1-1/9/1+1/9. or cos2A=8/9 ,or,cos2A=4/5

Answer 2

Answer:

4/5 is your answer. ●•●