Math, asked by savarnikaveeramally, 7 months ago

1. cos 340°. cos 40° + sin 200° sin 140°

2 .If A + B = 45°, then prove that (1 + tanA) (1 + tanB) = 2.

Answers

Answered by hariommishra2074

0

Answer:

sorry I do not know this answer.

mare ko tu galat answer dega

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