Question

Hi
Tan 69 +Tan66./1-tan69*tan66= -1​

Answer 1

Step-by-step explanation:

as we know formula

tan(A+B)= (tanA+tanB)/(1- tanA.tanB)

putting A=69° and B=66°

tan69°+tan66°/(1-tan69°tan66°

=tan(69°+66°)

=tan(135°)

the value of tan135° = -1

= -1

Answer 2

Answer:

hope it helps u !!!!!!!!