COS A
Prove That
sin2 A
+
= sin A+cos A
1-tan A sin A-COS A
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Answered by
19
Answer:
Formulae need to know :
Solution :
L.H.S = R.H.S
Hence,
Proved !!
Answered by
13
Given :
Exigency To Prove :
⠀⠀⠀⠀⠀━━━━━━━━━━━━━━━━━━━⠀
Here ,
⠀⠀⠀⠀⠀⠀
- a² - b² = (a + b) (a - b)
⠀⠀⠀⠀⠀━━━━━━━━━━━━━━━━━━━⠀
Therefore,
As , We can see that ,
⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀━━━━━━━━━━━━━━━━━━━⠀
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