If cosA= sinB, Show that A + B =90
Answers
Answered by
10
Given : cos A = sin B
To Prove : A + B =90
Proof :
cosA= sinB
cos A = cos ( 90 - B)
A = 90 - B
Therefore
A + B = 90
Hence Proved
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To Prove : A + B =90
Proof :
cosA= sinB
cos A = cos ( 90 - B)
A = 90 - B
Therefore
A + B = 90
Hence Proved
Hope you like it please mark as brainliest and follow me if you like it.
ShubhGandhi2903:
please mark as brainliest
Answered by
5
Answer:
cosA= sinB
cos A = cos ( 90 - B)
A = 90 - B
A + B = 90
Hence Proved
Step-by-step explanation:
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