15sin2(74.5)-26cos(74.5)-23
asked by guest
on Nov 24, 2024 at 12:07 pm
You asked:
Evaluate the expression:
15sin(74.5)2−26cos(74.5)−23
MathBot Answer:
15sin(74.5)2−26cos(74.5)−23=−23−26cos(2149)+15sin2(2149)≈−30.01995382762100168931672394730318
15sin(74.5)2−26cos(74.5)−23=15⋅sin2(74+105)−26⋅cos(74+105)−23=15⋅sin2(74+21)−26⋅cos(74+105)−23=15⋅sin2(2149)−26⋅cos(74+105)−23=15⋅sin2(2149)−26⋅cos(74+21)−23=15⋅sin2(2149)−26⋅cos(2149)−23=(−26⋅cos(2149)+15⋅sin2(2149))−23=−23−26⋅cos(2149)+15⋅sin2(2149)