tan(-150°)cos(-210°)cos(-420°)tan(-600°)/sin(-1050°)
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tan(-150°)cos(-210°)cos(-420°)tan(-600°)/sin(-1050°)tan(-150°)cos(-210°)cos(-420°)tan(-600°)/sin(-10
tan(-150°)cos(-210°)cos(-420°)tan(-600°)/sin(-1050°)
tan(-150°)cos(-210°)cos(-420°)tan(-600°)/sin(-1050°)
tan(-150°)cos(-210°)cos(-420°)tan(-600°)/sin(-1050°)
tan(-150°)cos(-210°)cos(-420°)tan(-600°)/sin(-1050°)
=tan30°(-cos30°)cos60°tan60°/sin30°
=-sin30°sin60°/sin30°
=-√3/2
tan(-150°)cos(-210°)cos(-420°)tan(-600°)/sin(-1050°)
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