Question
Simplify: sin 780° sin 480° + cos 120° sin 30°
More Trigonometry Questions
- Simplify the following trigonometric expression: 15 cos 27° sec 63° − 9 cot 61° tan 29°
- If cot A = 12/5, then the value of (sin A + cos A) × sec A is ________.
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- Question 4
- If cos 2A = 3, then find cos A
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- If sec a + tan a = 3/2, find the value of sin a.
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- If cos2B = sin(1.5B + 20o), then find the measure of 'B'.
- 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 :
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