Math, asked by surajkumarkondakumar, 4 months ago

plz answer all my questions​

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Answered by nirmalareddi9816
1

Step-by-step explanation:

1) cos( 90-40) = 0.96496602849

2) if sin A = cos A then A=

Given,sinA=cosA

sinA/cosA=1

tanA= 1

A=45°

3) tan 90= not defined

(or)

1.63312394e16

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