sin x = 35
cosec x = 1sinx=1(35)=53
sin2 x + cos2 x = 1
⇒ cos2 x = 1 – sin2 x
⇒ cos2 x = 1 – (35)2
⇒ cos2 x = 1 – 925
⇒ cos2 x = 1625
⇒ cos x = ± 45
Since x lies in the 2nd quadrant, the value of cos x will be negative.
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cosec x = 1sinx=1(35)=53
sin2 x + cos2 x = 1
⇒ cos2 x = 1 – sin2 x
⇒ cos2 x = 1 – (35)2
⇒ cos2 x = 1 – 925
⇒ cos2 x = 1625
⇒ cos x = ± 45
Since x lies in the 2nd quadrant, the value of cos x will be negative.
Please tell the beauty of this pic!
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