Solve this one...
Evaluate sin ( 45 - theta ) - cos ( 45- theta )
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Solve this one...
Evaluate sin ( 45 - theta ) - cos ( 45- theta )
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Answer:
weknowthat
=>sin(90−θ)=cosθ
so
=>sin(45
0
+θ)
=>cos(90−(45
0
+θ)
=>cos(45
0
−θ)
therefore
=>sin(45
0
+θ)−cos(45
0
−θ)
=>cos(45
0
+θ)−cos(45
0
−θ)
=>0