2sin32*cos32/sin64 = ?;
-6sin32/sin16*sin74 = ?;
-9sin136/cos68*cos22 = ?;
1) 2sin32*cos32/sin64 = sin2*32/sin64=sin64/sin64 = 1
2) -6sin32/sin16sin74 = -12sin32/2sin16cos16 = -12sin32/sin32 = -12
3) -9sin136/cos68*cos22 = -9sin136/cos68sin68= -18sin136/sin136 = -18
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Verified answer
1) 2sin32*cos32/sin64 = sin2*32/sin64=sin64/sin64 = 1
2) -6sin32/sin16sin74 = -12sin32/2sin16cos16 = -12sin32/sin32 = -12
3) -9sin136/cos68*cos22 = -9sin136/cos68sin68= -18sin136/sin136 = -18