Math, asked by gayathri12370, 5 months ago

If tanA=1/2,tanB=1/3,show that A+B=45°and prove that A+B=1​

Answers

Answered by s1857chingthaiongoo7
0

Step-by-step explanation:

tan(A−B)=

1+tanA.tanB

tanA−tanB

⇒ tan(A−B)=

1+

3

4

×

7

1

3

4

7

1

⇒ tan(A−B)=

1+

21

4

21

28−3

⇒ tan(A−B)=

21

25

21

25

⇒ tan(A−B)=1

⇒ A−B=tan

−1

(1)

⇒ A−B=

4

π

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