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प्रश्न
Evaluate: sin2 60° + 2tan 45° – cos2 30°.
उत्तर
sin2 60° + 2tan 45° – cos2 30°
= `(sqrt(3)/2)^2 + 2(1) - (sqrt(3)/2)^2`
= `3/4 + 2 - 3/4`
= 2
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संबंधित प्रश्न
Find the value of θ in each of the following :
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find the value of: sin2 30° + cos2 30°+ cot2 45°
If A = 30°;
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Find the value of the following:
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