sin²Ф+sin²Ф=1
cos²Ф+cos⁴Ф=?
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Hey !!!
sin²¢ + sin²¢ = 1
2sin²¢ = 1
sin²¢ = 1/2
sin¢ = √1/2
sin¢ = sin45° ..
¢ = 45°
cos²¢ + cos⁴¢ = ??
cos²45° + cos⁴45°
= (1/√2)² + (1/√2)⁴
= 1/2 + 1/4
= 1/2+ 1 /4 = 2 + 1/4
= 3/4
= 0.75 Answer
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Hope it helps you !!!
@Rajukumar111
sin²¢ + sin²¢ = 1
2sin²¢ = 1
sin²¢ = 1/2
sin¢ = √1/2
sin¢ = sin45° ..
¢ = 45°
cos²¢ + cos⁴¢ = ??
cos²45° + cos⁴45°
= (1/√2)² + (1/√2)⁴
= 1/2 + 1/4
= 1/2+ 1 /4 = 2 + 1/4
= 3/4
= 0.75 Answer
*****************************
Hope it helps you !!!
@Rajukumar111
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