i need this answer now....
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cos70° can be written as sin(90°-70°)
Cosec33° can be written as 1/sin33°
sin33° can be written as cos(90-33)
value of cos60=1/2
sin20°/sin20°+cos57/cos57-2×1/2
1+1-1=1
Cosec33° can be written as 1/sin33°
sin33° can be written as cos(90-33)
value of cos60=1/2
sin20°/sin20°+cos57/cos57-2×1/2
1+1-1=1
siddharthm042:
thank u but i need 11 13 14 15 answer
but still thx
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