Solve this........................
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sin57÷ sin33 +cos42÷ sin48 - 4 cos²45
- sin(90-33) ÷ sin33 + cos (90-42) ÷ sin48 -4(1/√2) ²
- sin48÷ sin48 + sin48 ÷ sin48 -(4/2)
- 1+1-2
- =0
Saksham0505:
Solve it without using trigonometric table
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