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Start learning 50% faster. Sign in nowOnly option (4) doesn’t contain any even number.
If A lies in the first quadrant and 6 tan A = 5, then the value of 8 sin A−4 cos A / cos A+2 sin A is :
cot 4˚ x cot 47˚ x cot 42.3˚ x cot 43˚ x cot 47.7˚ x cot 86˚= ?
What is the value of cos75°?
Solve for x in the interval [0, 2π]: 2 sin²x + 3 sinx - 2 = 0.