if sinA=cosA,then find the value of 2 tanA + cos2A
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Hii There!!!
It is given that sinA = cosA
=> From trigonometric table, sin 45° = cos 45°
Therefore, A = 45°
Now, 2tanA + cos^2A = 2 × tan45° + cos^45°
=> 2(1) + (1/√2)^2
=> 2+1/2 = 4+1/2 = 5/2
_________________________
# ¢'$ #
Hope it helps
It is given that sinA = cosA
=> From trigonometric table, sin 45° = cos 45°
Therefore, A = 45°
Now, 2tanA + cos^2A = 2 × tan45° + cos^45°
=> 2(1) + (1/√2)^2
=> 2+1/2 = 4+1/2 = 5/2
_________________________
# ¢'$ #
Hope it helps
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