Math, asked by gueltjgxv, 1 year ago

solve tan23 tan67 - 2cos23sin67

Answers

Answered by irshadkwt99

2

Answer:0

Step-by-step explanation:

Tan23*Tan67-sin23*sin67

=tan(90-67)*tan67-sin(90-67)*sin67

=cot67×tan67-cos67×sin67

=1-1

=0

Answered by ramniranjan

0

Answer:

1-2sin²67

Step-by-step explanation:

tan(90-67)tan67 - 2cos(90 -67)sin67

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