Hindi, asked by jennilixu740, 1 month ago

evaluate tan 40°×tan50°

Answers

Answered by reddy432

0

Answer:

1

Explanation:

cot(90-40)*tan50

cot50*tan50

1/tan50*tan50=1

Answered by sr308510

1

Answer:

tan50°=cot(90°-40°)
tan40°×cot40°=1

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