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If Sin77 =x, then the value of Tan77 is |
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Answer» cos2 θ + sin2 θ = 1⇒ cos2 77° + sin2 77° = 1⇒ cos 2 77° = 1 – sin2 77°⇒ cos 77° = √(1 – sin2 77°)And Given that sin 77° = x⇒ cos 77° = √(1 – x2 )Tan77° = x/ √(1 – x2 ) X/cos |
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