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More Trigonometry Questions
- In a triangle ABC, if 5∠A = 3∠B = 15∠C, then find the value of cosA + sin(C + 10 ° )
- cot 4˚ x cot 47˚ x cot 42.3˚ x cot 43˚ x cot 47.7˚ x cot 86˚= ?
- Simplify the following trigonometric expression: 11 sin 42° sec 48° − 7 tan 37° tan 53°
- Question 4
- If A and B are complementary angles, then the value of- sin A cos B + cos A sin B – tan A tan B + sec2 A – cot2 B is–
- sin2 7 ° + sin2 8 ° + sin2 9 ° + sin2 10 ° + ……… + sin2 83 ° = ?
- If cos2B = sin(1.5B + 41o), then find the measure of 'B'.
- sin2 12˚ + sin2 14˚ + sin2 16˚ + sin2 18˚ + ……… + sin2 78˚ =?
- Question 9
- If 4cos²A + 5sin²A = 4.5, then find the value of (sec²A - 1)
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