Question

Cos²A =½ हो तो Sin²A का मान क्या होगा।​

Answer 1

Answer:

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so now using sin square A+cos square A=1

substitute value of cos square in it

we obtain

1/2+sin square A=1

ie sin square A=1-1/2

=2-1/2

=1/2

thus cue of sin squareA is 1/2 as well